World War II, or World War II, often referred to as World War II or World War II, became a world war that lasted from 1939 to 1945. It affected most countries in the world, including all the amazing powers that fought against each other in military alliances: Allies And the axis of power. In a large-scale struggle that attracted hundreds of millions of workers from more than 30 countries at the same time, the main participants put their economic, industrial and medical skills at the center of th