USA HISTORY

Detailed explanation-1: -When the conflict broke out on 1 September 1939, the Allied coalition consisted of the United Kingdom, France, and Poland, as well as their respective dependencies, such as British India. They were soon joined by the independent dominions of the British Commonwealth: Canada, Australia, New Zealand and South Africa.

Detailed explanation-2: -In May 1944, the Western Allies were finally prepared to deliver their greatest blow of the war, the long-delayed, cross-channel invasion of northern France, code-named Overlord. General Dwight D. Eisenhower was supreme commander of the operation that ultimately involved the coordinated efforts of 12 nations.

Detailed explanation-3: -Hitler’s invasion of Poland in September 1939 drove Great Britain and France to declare war on Germany, marking the beginning of World War II.

Detailed explanation-4: -Normandy Invasion. during World War II, the Allied invasion of western Europe, which was launched on June 6, 1944 (the most celebrated D-Day of the war), with the simultaneous landing of U.S., British, and Canadian forces on five separate beachheads in Normandy, France.

Detailed explanation-5: -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.