The Japanese attack on Pearl Harbor.
Because of the extent of the war. WW2 was fought in Europe, Africa, and Asia. Countries in North America and South America were also involved in the war.
Prior to December 7th 1941, the United Stares was not involved in the conflicts of WW2. Imperial Japan changed all this by attacking the US Naval base in Pearl Harbor, Hawaii.
America became involved with WW2 because the Japanese bomber Pearl Harbour.
At first, America swore that they weren't going to get involved in the war, but after the surprise attack from the Japanese on Pearl Harbor, many felt the need for revenge, bringing on America's involvement.
There were a lot of countries involved in ww2 like Nazi germany , UK and the Soviet union who were in the allies and the japanese who were in the axis
They were attacked by Italy
The Nazis were involved in only one war, WW2.
Yes, almost all of the South American countries have bee involved in war. -Brazil was one of the Allies in WW2
New Zealander artillerymen were the only volunteers in South Vietnam. Along with Americans, Australians were drafted too. It's the military draft that caused the protests...other nobody really cared...as long as THEY weren't involved. The draft makes them involved!
A good seventy countries were involved in WW2, although a lot of these countries didn't come in until the middle of or towards the end of WW2. But France, Britain, Russia, Japan, Poland, Italy, and of course, Germany were involved in WW2 from the beginning to the end.
ww2
WW2