After 23 years of peace between United States and Germany, the United States of America were then at war with Germany, Italy, Japan, Manchukuo (puppet state of Manchuria supported by Japan) and Hungary that had suspended diplomatic relations.
Among the countries at war with one or all of the Axis powers are Great Britain, Canada, Australia, New Zealand, South Africa, the Soviet Union, China, the Netherlands Government and its East Indies possessions; the refugee governments of France, Belgium, Poland, Greece, Yugoslavia, Czechoslovakia and Norway; and these others in the Western Hemisphere: Panama, Nicaragua, El Salvador, Honduras, Haiti, the Dominican Republic, Cuba and Guatemala.