attacked France bombing offensive against the United Kingdom Operation Barbarossa Japan attack on Pearl Harbor British Empire allied Soviet Union Kingdom Empire France Germany
In May 1940, Germany attacked France through the Low Countries. France capitulated in June 1940. By August, Germany had begun a bombing offensive against the United Kingdom but failed to convince the Britons to give up. In 1941, Germany invaded the Soviet Union in Operation Barbarossa. On 7 December 1941 Japan's attack on Pearl Harbor drew the United States into the conflict as allies of the British Empire, and other allied forces.
