Answer:
Australia
Brazil
Canada
New Zealand
South Africa
The Soviet Union
The United Kingdom
The United States of America
Explanation:
Actually there was not one but many countries which were included in world war 2
World War II started in 1939 and ended in 1945. More than 100 million people from 30 nations participated in the war, resulting in anywhere from 70 million to 85 million civilian and military casualties. World War II was the deadliest war in history.
Leading up to the war, many countries tried remaining neutral. However, as conflict arose, countries gradually began choosing sides. Countries either joined the Axis Powers or the Allied Powers.
