Columbia subject headings:
Germany--Foreign relations--United States.
United States--Foreign relations--Germany.
World War, 1939-1945--Causes.
Harvard subject headings:
Germany--Foreign relations--United States
United States--Foreign relations--Germany
World War, 1939-1945--Causes
Princeton subject headings:
Germany--Foreign relations--United States.
United States--Foreign relations--Germany.
World War, 1939-1945--Causes.