Afarm leader in an inland state talks about surplus wheat rotting at the railroad sidings, and his words create bitterness among hungry people in countries far away; a promise made by the leader of a powerful nation may raise their hopes. A film produced for an American audience may stir envy of our comforts among the people of Western Europe and contempt for our materialism among the intellectuals of Asia, yet a book, or, indeed, another film, may combat false notions of American life and institutions. Race prejudice in one country repels the people of a second country and makes them more receptive to the blandishments of a third. The achievements of a nation—whether in technology, science, economic productivity, or military preparedness—may influence the attitudes and actions of both leaders and masses abroad.