A file of reports, memoranda, and correspondence generated by the Permanent Under-Secretary's Committee (PUSC) in 1950. Subjects discussed in this file include British relations with the United Nations; the importance of the British colonies in South East Asia; future Anglo-American relations; the possible consequences of an economic union in leading to further European integration; British overseas obligations, and the economic consequences for Britain of a withdrawal from these obligations; and the defence of Western Europe against an attack from the Eastern Bloc.