What countries fought on which side?

Answer 1

Countries involved in WWIIThese were the major countries involved:

• Allied: Britain, France, China, US, Soviet Union (Russia, Ukraine, etc), Canada, Australia.
• Axis: Germany, Italy, Japan. Wprld War 1 European military alliances prior to the war.

  The Entente Powers were the countries at war with the Central Powers during World War I. The key members of the Triple Entente were the United Kingdom, France, and the Russian Empire. Many other countries later joined the Entente side in the war: Belgium, Serbia, Italy, Japan, Greece, Romania and the United States, which were also drawn into the war.