Columbia subject headings:
Alliances.
National security--United States.
Strategy.
United States--Foreign relations.
World politics--20th century.
Harvard subject headings:
Alliances.
National security--United States
Strategy
United States--Foreign relations.
World politics--20th century
Princeton subject headings:
Alliances.
National security--United States.
Strategy.
United States--Foreign relations.
World politics--20th century.