Columbia subject headings:
Harvard subject headings:
Communism--Latin America
Latin America--Politics and government--1980-
Latin America--Social conditions--1945-
Radicalism--Latin America--History--20th century.
Radicalism--United States--History--20th century
United States--Foreign relations--1945-
Princeton subject headings:
Latin America--Politics and government--1980-
Latin America--Social conditions--20th century.
Radicalism--Latin America--History--20th century.
Radicalism--United States--History--20th century.
United States--Foreign relations--1945-1989.