Columbia subject headings:
Geopolitics--United States--History--20th century.
Power (Social sciences)
United States--Foreign relations--1945-1989.
World politics--1945-1989.
Harvard subject headings:
Geopolitics--United States--History--20th century.
Power (Social sciences)
United States--Foreign relations--1945-1953.
United States--Foreign relations--1945-1989.
World politics--1945-
World politics--1945-1989
Princeton subject headings:
Geopolitics--United States--History--20th century.
Power (Social sciences)
United States--Foreign relations--1945-1989.
World politics--1945-1989.