Columbia subject headings:
Harvard subject headings:
Balance of power--21st century.
Germany--Foreign economic relations--United States.
Germany--Foreign relations--United States.
Germany--Foreign relations.
Hegemony.
United States--Foreign economic relations--Germany.
United States--Foreign relations--Germany.
United States--Foreign relations.
World War, 1914-1918--Historiography
World War, 1939-1945--Historiography.
World politics--20th century
World politics--21st century
Princeton subject headings:
Balance of power--21st century.
Germany--Foreign relations.
Hegemony.
United States--Foreign relations.
World War, 1914-1918--Historiography.
World War, 1939-1945--Historiography.
World politics--20th century.
World politics--21st century.