Answer: The three main theaters of World War II and the major countries involved in each are:
European Theater: The fighting in Europe occurred between the Allied Powers, consisting mainly of the United States, the United Kingdom, France, and the Soviet Union, and the Axis Powers, consisting mainly of Germany, Italy, and Japan. The major battles in the European Theater included the Battle of Stalingrad, the Battle of Normandy, and the Battle of Berlin.
Pacific Theater: The fighting in the Pacific occurred mainly between the United States and Japan. Other Allied countries, such as Australia, New Zealand, and China, also participated in the fighting. The major battles in the Pacific Theater included the Battle of Midway, the Battle of Guadalcanal, and the atomic bombings of Hiroshima and Nagasaki.
African and Middle Eastern Theater: The fighting in Africa and the Middle East occurred between the Allied Powers, mainly the United Kingdom and its Commonwealth countries, and the Axis Powers, mainly Germany and Italy. The major battles in this theater included the Battle of El Alamein and the North African Campaign.
Step-by-step explanation: