USA HISTORY

Detailed explanation-1: -The Allied Powers comprised of Britain, France, Russia, Italy and the USA.

Detailed explanation-2: -In World War II, the three great Allied powers-Great Britain, the United States, and the Soviet Union-formed a Grand Alliance that was the key to victory.

Detailed explanation-3: -World War II the chief Allied powers were Great Britain, France (except during the German occupation, 1940–44), the Soviet Union (after its entry in June 1941), the United States (after its entry on December 8, 1941), and China.

Detailed explanation-4: -The main Allied powers were Great Britain, The United States, China, and the Soviet Union.