SUBJECT
Causes
World War, 1939-1945
40
Foreign relations
15
History
8
Politics and government
8
Diplomatic history
6
World politics
4
Fascism
3
Pearl Harbor (Hawaii), Attack on, 1941
3
World War, 1914-1918
3
Campaigns
2
Peace
2
War, Declaration of
2
World war, 1939-1945
2
20th century
1
Communism
1
Cryptography
1
Democracy
1
For. rel
1
Foreign economic relations
1
Germany
1
History --
1
Influences and results
1
Jews
1
Military aspects --
1
Military intelligence
1
National socialism
1
Pearl Harbor, Attack on 1941
1
Persecutions
1
Personal narratives, Japanese
1
Petroleum industry and trade --
1
Petroleum industry and trade -- Political aspects -- History -- 20th century
1
Pol. & govt
1
Raw materials
1
War
1
World War, 1914-1918 --
1
World War, 1939-1945 --
1
World politics --
1