USA HISTORY

Detailed explanation-1: -The Allies, or the Entente powers, were an international military coalition of countries led by the United Kingdom, France, Russia, Italy, Japan, and the United States against the Central Powers of Germany, Austria-Hungary, the Ottoman Empire, Bulgaria during the First World War (1914–1918).

Detailed explanation-2: -During the conflict, Germany, Austria-Hungary, Bulgaria and the Ottoman Empire (the Central Powers) fought against Great Britain, France, Russia, Italy, Romania, Canada, Japan and the United States (the Allied Powers).

Detailed explanation-3: -The major Allied powers in World War I were Great Britain (and the British Empire), France, and the Russian Empire, formally linked by the Treaty of London of September 5, 1914.

Detailed explanation-4: -The alliance between the United States and the Soviet Union during World War II developed out of necessity, and out of a shared realization that each country needed the other to defeat one of the most dangerous and destructive forces of the twentieth century.

Detailed explanation-5: -Signed on May 14, 1955, the Warsaw Pact established the Warsaw Treaty Organization, a mutual defense alliance that was originally composed of the Soviet Union, Albania, Bulgaria, Czechoslovakia, East Germany, Hungary, Poland, and Romania.