Columbia subject headings:
Militarism--United States.
Racism--United States.
United States--Foreign relations--20th century.
United States--Foreign relations--21st century.
United States--History, Military--20th century.
United States--History, Military--21st century.
Harvard subject headings:
Racism--United States
United States--History, Military--20th century
United States--History, Military--21st century
Princeton subject headings:
Militarism--United States.
Racism--United States.
United States--Foreign relations--20th century.
United States--Foreign relations--21st century.
United States--History, Military--20th century.
United States--History, Military--21st century.