On December 23, 1965, the president of newly-independent Zambia, Kenneth Kaunda, wrote a letter to the prime minister of Portugal, António de Oliveira Salazar. Kaunda—an outspoken opponent of continued Portuguese rule over the African colonies of Mozambique, Angola, and Guinea—found himself in the awkward position of asking for Salazar's help. Zambia needed Portuguese support, Kaunda wrote, in “confronting the present difficulties provoked by the retaliations of Rhodesia owing to the punitive economic measures of England”