World War II involved two main groups of countries: the Allies and the Axis powers. Major Allied Powers:
- United Kingdom
- France
- Soviet Union (Russia)
- United States
- China
Other countries that joined or supported the Allies included Canada, Australia, New Zealand, India, Poland, Belgium, Netherlands, Norway, Greece, South Africa, Brazil, Mexico, Philippines, Ethiopia, and many others
. Major Axis Powers:
- Germany
- Italy (until 1943, when it switched sides)
- Japan
Other Axis-aligned or puppet states included Hungary, Romania, Bulgaria, Slovakia, Croatia, and Laos
. Several countries remained neutral or had limited involvement but played roles in the war's broader context, such as Turkey, Spain, Sweden, Switzerland, and Argentina
. In summary, World War II was a global conflict involving dozens of nations, with the main combatants being the Axis powers of Germany, Italy, and Japan against the Allied powers led by the UK, Soviet Union, United States, France, and China
