One century ago, US Secretary of State Charles Evan Hughes made the first official statement regarding US policy toward Antarctica by declaring it would not recognise sovereignty in areas that could not actually be settled. The Hughes Doctrine formalised US opposition to countries dividing Antarctica into sovereign territory, a doctrine that has become the bedrock upon which subsequent US decisions toward the region were built. This paper gives a broad overview of the development of US policy toward Antarctica, starting with the Hughes Doctrine, including the period when the United States secretly considered making its own claim to sovereign territory before deciding to champion then maintain the multilateral, sovereign-free region based on the Antarctic Treaty in order to achieve its national goals. This paper also reviews how the policies are working today and considers the significant challenges and costs the United States would incur if it altered its century-old policy toward Antarctica.

Intergroup attitudes and identity ties can shape foreign policy preferences. Anti-Muslim bias is particularly salient in the USA and the UK, but little work assesses whether this bias generalizes to other countries. We evaluate the extent of anti-Muslim bias in foreign policy attitudes through harmonized survey experiments in thirteen European countries (N=19,673). Experimental vignettes present factual reports of religious persecution by China, counter-stereotypically depicting Muslims as victims. We find evidence of anti-Muslim bias. Participants are less opposed to persecution and less likely to support intervention when Muslims, as opposed to other religious groups, are persecuted. However, this bias is not present in all countries. Exploratory analyses underscore that pre-existing intergroup attitudes and shared group identity moderate how group-based evaluations shape foreign policy attitudes. We provide extensive cross-national evidence that anti-Muslim bias is country-specific and that social identity ties and intergroup attitudes influence foreign policy preferences.

Shortly after the Meiji government assumed administrative responsibilities in 1868, the Iwakura Mission left Japan to circumvent the globe, searching for information on institutions that could centralize a divided archipelago. In so doing, it encountered a world embarking on a new phase of imperial expansion. While the majority of the Mission's participants returned with visions of a large, expansion-oriented Japan, others saw their country's future as a small, neutral state. Debates over the suitability of either vision continued throughout the Taisho period, especially as Japan incorporated territories at its peripheries, including Ezo (Hokkaidō), the Ryūkyū Islands (Okinawa), Taiwan, and Korea. This paper examines the impact of the Mission participants' perspectives, which were informed by their first- and second-hand experience of American and European amalgamation of peoples of diverse cultural, ethnic, and racial origins. How did the participants' experiences influence their views on Japan's future as an expansionist state? What did their experiences teach them about the assimilation of peoples of diverse backgrounds? This paper identifies the legacy of these debates as extending to the present, where Japan seeks to rescind postwar restrictions against extending military powers beyond its borders.

Since 2020, the conflict between Armenia and Azerbaijan over Nagorno-Karabakh has intensified, culminating in a 44-day war in 2020 and an Azerbaijani military offensive in September 2023 when Azerbaijan reclaimed control over the Nagorno-Karabakh territory. This has ushered in a new phase of the Karabakh peace process amidst a transformed security landscape in the Caucasus. Against the background of a more general reconceptualization of Armenia’s role in the region, shifting away from its traditional alliance with Russia towards closer ties with the West, the article examines the role of women in Armenia in this peace process and their postwar opportunities for agency. The analysis reveals that women’s substantive inclusion in Armenia’s peace process remains limited due to (1) elite-dominated hard power negotiation structures and militarized discourses, (2) societal and economic factors, and (3) “self-exclusion” of women and the need for empowerment. Despite these challenges, the article identifies opportunities for women to assert agency in Armenia’s new security environment, contributing to a more effective, sustainable, and inclusive peace process.

Do external threats increase American bipartisanship? We subject this question to an experimental test. Leveraging the Biden and Trump administrations’ similar characterization of the China threat, we exposed American respondents to real-world primes about security threats from China, while randomizing the messenger of such primes. We find that the threat primes—regardless of the partisan identity of their messenger—boosted Democrats’ and Republicans’ support for assertive foreign policy in a largely parallel manner, thereby failing to reduce preference polarization. Importantly, there were no measurable changes across multiple indicators of affective polarization. These findings clarify the limits of external threats in uniting Americans, while also challenging recent perspectives that external threats—often colored by elite rhetoric—will further polarize the American public.

The nature of Indonesia’s foreign policy has long been understood as non-aligned. It has been associated with the basic tenet of bebas aktif (being independent and active) and the evolving international relations of the state, which demonstrated continuity in its non-side-taking position in the Cold War. However, recently, new trends in Indonesia’s regional and global conduct have emerged, including the diversification of multilateral engagements beyond ASEAN, the strengthening of various forms of strategic partnerships with major Indo-Pacific powers, and the adoption of normative hedging policies in response to sensitive international issues. What explains these developments? The conception of Indonesian foreign policy as being defined by non-alignment is no longer appropriate. This article argues that Indonesia now employs a partial multi-alignment strategy. Nevertheless, limited national power and persistent threat perceptions prevent the state from pursuing a fully multi-aligned strategy.

Leaders decide to engage diplomatically with their foreign peers for various reasons but, given their limited time and resources, they have to choose which peers to prioritize. As such, the study of international diplomatic visits helps shed light on a government's foreign policy approach and better understand its priorities in how it conceives and builds foreign relations. While the literature on diplomatic engagements has largely debated its drivers and effects, the role of domestic influences, in particular of party politics, has remained understudied. We address this gap and investigate the party politics of diplomatic engagements leveraging a new dataset on Italy's high-level international bilateral diplomatic visits in 2000–2023. Our findings show that partisan differences influence not only the overall frequency of such engagements, following curvilinear left–right patterns, but also the political regimes that left- and right-wing governments prioritize in such endeavours, exposing the lower importance right-wing parties assign to democratic principles when managing their countries' foreign relations, as these governments are systematically more likely to interact with authoritarian regimes than with democracies.

In this paper, I examine the factors associated with public attitudes toward foreign policy among white Americans and argue that racial attitudes play an important role. To test this hypothesis, I perform quantitative studies across four iterations of the American National Election Survey (ANES)—(1) 2012, (2) 2016, (3) 2020, and (4) the Cumulative Survey (1986–2020). While the results include white public opinion across several different areas of foreign policy across several decades of data, the findings are consistent: American foreign policy opinion among white Americans is highly racialized—meaning that their views on foreign policy are strongly associated with their views on race and racism. This study contributes to our knowledge of a relatively poorly understood phenomenon in American politics: how the American public forms their attitudes on foreign policy. Overall, I find strong evidence that racial attitudes play an important yet understudied role in the foreign policy attitudes of white Americans. This study also extends our knowledge of the role of racialization in public opinion and reminds us that while racism is one of the most central problems for U.S. domestic politics, we should also be wary of how these hierarchies of domination extend beyond our borders through its foreign relations.

The 2022 Russian invasion of Ukraine raised for many parties the question of how to position themselves in view of urgently requested arms deliveries. Since, the topic of arms trade, which has hitherto rarely been addressed, has become a heavily politicized and divisive issue and partly even polarized public opinion. A major prerequisite for parties’ position-taking is to anticipate how voters react to such arms transfers and, more specifically, whether their respective attitudes are structured along the predominant left-right axis. Based on a large-scale survey experiment with French and German voters ($N = 6617$) in the year before the Russian invasion, we are able to focus on the relationship between ideological predispositions, vote intentions, and issue attitudes in a non-politicized period. Using both vignette and conjoint experiments, we demonstrate that voters’ attitudes on military transfers can be subsumed remarkably well under the left-right scale. Differentiating the impact of normative and economic considerations, the former is stronger among the left, while the latter also affects the attitudes of rightist citizens. However, normative considerations are the most important concern along the whole political spectrum. The turn of the German Green Party in 2022 to assist countries that are being aggressively attacked (because of the Responsibility to Protect), was not reflected in our data.

The United States has long represented one of Canada's primary international allies. This partnership has remained strong despite turbulent times in the relationship, such as the one brought forth by the Trump presidency. Our article seeks to understand the sources of such continuity through the lens of continentalism. While historical accounts of continentalism have portrayed it as a passive force stemming from Canada's material self-interest, scholars have recently identified the emergence of an evolved form of continentalism that represents a dominant idea and a coherent analytical framework in Canadian foreign policy. Has this new form of continentalism indeed gained widespread acceptance among Canadians? We answer this question by considering continentalism in the ideational realm. Using novel public opinion data, our analysis investigates whether continentalist attitudes have become embedded in Canadians’ national identity and foster closer alignment preferences vis-à-vis the United States. We find significant and robust evidence of such effects.

Does resident diplomacy influence international outcomes? Theoretically, I argue that resident diplomats tend to adopt uniquely cooperative stances toward their hosts. I test this expectation using a natural experiment involving British visa issuance. Starting in 2007, the UK transferred visa decision making from local diplomatic posts to centralized hubs, located either at third country diplomatic posts or domestically. I study this rollout to credibly estimate the causal effects of visa adjudication by local posts. I find that resident diplomats implement a much more lenient visa policy—transferring adjudication to an outside hub reduces issuance by about fifteen percent. There is a robust difference between the behavior of local and third-country posts, showing that this cooperative effect of diplomacy is relationship-specific.

This article explores how populist attitudes are correlated with foreign policy postures at the public level in four European countries: France, Germany, Great Britain, and Italy. We provide first evidence adjudicating between two rivalling perspectives. One perspective focuses on the ideational core of populism and argues that it entails substantive beliefs and values that may inform foreign policy preferences – just like any other ideology. Another perspective focuses on the thin-centredness of populism and argues that no policy implications can be derived from populist ideas. Analysing original survey data, we find strong and consistent associations of populist attitudes with two foreign policy postures, militant internationalism and isolationism, and weaker and less systematic associations with two others, cooperative internationalism and global justice orientations. Importantly, these patterns are independent of host ideologies. We discuss the implications of these findings for the question of how “thick” populism is and what that may mean for the politics of (European) foreign policies in times of a continuing populist Zeitgeist.

In 1920, the Syrian Congress at Damascus ratified a democratic constitution that would have been beyond the dreams of activists in the 2011 Arab Spring. Under the leadership of the leading Islamic reformer of the day, Sheikh Rashid Rida, the constitution disestablished Islam as a state religion, guaranteed one-third of parliamentary seats to non-Muslim minorities, and promised autonomy to the majority Christian territory of Mount Lebanon. Unlike the Ottoman constitution that had once reigned in Greater Syria, the Syrian document granted the preponderance of power to parliament, not the monarch. Nonetheless, the British and French colluded in the willful destruction of this nascent democracy. And with League of Nations’ support, they divided the Syrian Arab Kingdom into sectarian mandatory states. By stripping Syrian Arabs of a self-determined political community, Europeans denied them the “right to have rights,” as Hannah Arendt argued. The political backlash against European rule transformed the minority question in Syria into a polarized and violent contest, leading to the sectarian conflicts that overwhelmed Syria, Lebanon, and Palestine in the remainder of the 20th century.

This article examines the ways in which Brazil's African foreign policy during the Ernesto Geisel administration (1974–9) utilised notions of ‘racial democracy’ and the nation's Africanity in framing itself as an intrinsic partner to the continent across the Atlantic. It does this through an analysis of Brazil's involvement at the Second World Black and African Festival of Arts and Culture (FESTAC’77, 15 January–12 February 1977), hosted in Lagos, Nigeria. The international event celebrated past and present contributions of Black and African cultures to global civilisation. An assessment of the Brazilian government's delegation to FESTAC’77 shows how the Geisel administration attempted to depict Brazil as a harmoniously integrated society, where, through a historic process of mixing, the nation's racial identity was united into an equitable whole. In contrast, the propagation of these ideas at FESTAC’77 left the regime's racial ideology vulnerable to attack from international and domestic audiences.