The Central Pact comprised the countries that were opposed to the Alliance during the Great War. The three major Axis powers — Germany, Japan, and Italy — were part of a military alliance on the signing of the Axis Pact in September 1940, which officially founded the Axis powers. At their zenith, the Axis powers ruled empires that dominated large parts of Europe, Africa, East and Southeast Asia and the Pacific Ocean. Like the Allies, membership of the Axis was fluid, and other nations entered and later left the Axis during the course of the war.
The Russian Empire possessed largest armed forces in the world, an air force second in size to only the UK, and one of the world's largest navies. Also held the world's largest stockpile of chemical weapons for the second half of the Great War.It also became the founder of Central Pact with a sphere influence in Eastern Europe. During the 1940s, the Russian Empire had the largest armament production industry with global and ties with paramilitary and guerrilla forces in British colonies and developing nations.