Which country was a member of the Axis powers?

Japan
Soviet Union
Austria
Czechoslovakia

a. japan

The country that was a member of the Axis powers was Japan. To determine this, you can recall some historical knowledge about World War II. The Axis powers were a group of countries that formed a military alliance during the war. They were led by Germany, Italy, and Japan. While the Soviet Union, Austria, and Czechoslovakia were involved in World War II, they were not part of the Axis powers. Austria and Czechoslovakia were actually invaded and occupied by Germany.