World War II Allies: U.S. Lend-Lease to the Soviet Union, 1941-1945. The three principal partners in the Axis alliance were Germany, Italy, and Japan. In the Americas, Brazil, Mexico, and Cuba supported the Allies in World War II. The Allies, which mainly consisted of the United States, the Soviet Union and Great Britain won the Second World War and defeated the Axis. The Allies formed mostly as a defense against the attacks of the Axis Powers. The main Allied powers were the United States, China, Great Britain, and the Soviet Union. The principal belligerents were the Axis powers — Germany, Italy, and Japan —and the Allies— France, Great Britain, the United States, the Soviet Union, and, to a … The Allies of World War II were a group of countries that together opposed the Axis powers during the Second World War (1939–1945). Whilst Allied air raids on the Japanese home islands were untenable for the majority of the Second World War and limited to small-scale missions such as the Doolittle Raid of April 1942, by mid-1944, with the deployment of the B-29 Superfortress, the strategic bombing campaign begun in earnest; the campaign expanded considerably from February 1945, after the Mariana Islands became available … Back in Europe, there were Belgium, Norway, the Netherlands, Luxembourg, and Denmark … The Allies in WW2 were the nations that were opposed to Adolf Hitler and the Axis Powers during the war. The ‘Big Three’, as defined by Franklin D. Roosevelt in 1942, comprised of Great Britain, the United States of America, and the Soviet Union. Hitler’s invasion of Poland drove Great Britain and France to declare war on Germany, and World War II had begun. World War II, also called Second World War, conflict that involved virtually every part of the world during the years 1939–45. Allied Powers of World War 2. The major Allied Powers were Britain, France, Russia, and the United States. Even before the United States entered World War II in December 1941, America sent arms and equipment to the Soviet Union to help it defeat the Nazi invasion. Major Alliances during World War II. These three countries recognized German domination over most of continental Europe; Italian domination over the Mediterranean Sea; and Japanese domination over East Asia and the Pacific. World War II was fought between two major groups of nations. A fourth major power towards the end of the war was China. They became known as the Axis and Allied Powers. Italy gave up first, six weeks after the Fascist Party removed Benito Mussolini from power. In 1939, the coalition of countries that formed this group consisted of Poland, France, and the United Kingdom. The United States and the United Kingdom supplied more than 21 million tons of aid to the Soviet Union during the war, including thousands of … These countries together formed what is called the Allies of World War Two. The Secret Way the Allies Won World War II . The original members of the Allies included Great Britain, France and Poland. During World War II (1939–1945), there were the Axis powers (Germany, Italy, Japan, Hungary, Bulgaria) versus Allies (US, Britain, France, USSR, Australia, Belgium, Brazil, Canada, China, Denmark, Greece, New Zealand, Norway, Poland, South Africa, Yugoslavia). There were two major alliances during World War II: the Axis and the Allies.