World War II is currently the most destructive conflict in humanity's history. Beginning with the French invasion of Belgium in 1940, the war would last six devastating years until the conflict's end in 1946 with the atomic bombing of Hiroshima and Nagasaki in Japan. The world was divided into two vast alliances: the London Pact, led by the United Kingdom, United States, Russia, and Germany (until its defeat in 1941) versus the Axis Powers, led by the National Socialist nations of France, Italy and the Confederate States, along with Japan. The world was in a state of total war, where nations put theit entire military, economic and scientific capabilities for the war effort, blurring the line between military and civilian. Nearly 85 million people were killed between the ferocious battles,