Columbia subject headings:
Harvard subject headings:
Globalization--Political aspects.
Military art and science
Military history, Modern
Military history, Modern--19th century
Military history, Modern--20th century
Military history, Modern--21st century
World politics
World politics--19th century
World politics--20th century
Princeton subject headings:
Military history, Modern--19th century.
Military history, Modern--20th century.
Military history, Modern--21st century.
World politics--History--19th century.
World politics--History--20th century.
World politics--History--21st century.