Brezhnev discusses negotiations with the United States over the Non-Proliferation Treaty.

This lengthy report was State Department Bureau of Intelligence and Research's contribution to the first National Intelligence Estimate on the nuclear proliferation, NIE 100-6-57. Written at a time when the United States, the Soviet Union, and the United Kingdom were the only nuclear weapons states, the “Fourth Country” problem referred to the probability that some unspecified country, whether France or China, was likely to be the next nuclear weapons state. Enclosed with letter from Helmut Sonnenfeldt, Division of Research for USSR and Western Europe, to Roger Mateson, 4 June 1957, Secret

Memo from Foreign Minister Saraiva Guerreiro to President João Batista Figueiredo on the current state of, and potential for the future of nuclear cooperation with China, in the follow-up to the presidential visit to Beijing. Guerreiro recalls that, since China was also not a party to the NPT, nuclear cooperation and purchase of material, like the uranium acquired in 1982, would not be subjected to full-scope safeguards, preserving the “sovereignty of Brazil’s nuclear program.” Guerreiro mentions a study by the National Security Council, the Nuclear Commission, Nuclebrás and the Foreign Ministry on the commercial and technological potential for an agreement with China, similar to the ones that Brazil had already signed with “other developing countries, namely those that are not members of the NPT.” One such agreement, Guerreiro suggests, could be signed during President Figueiredo’s upcoming visit to Beijing.

Just a few months into President Reagan’s first term his administration wanted to make its own mark on nonproliferation policy. The report suggests building “broader bilateral relationship[s]” and offering political and security incentives could persuade states considering developing nuclear weapons to cease these efforts.