The name of the super continent was "Pangea." It formed because of the movement of Earth's tectonic plates, which was also what broke the super continent apart. Hope this helped!
I think that is it called a veto, but I could very well be wrong.
Hey!
Your answer is false.
Although the war began with Adolf Hitler, the U.S ultimately did not decide to go to war until the Japanese bombed Pearl Harbor.
Hope this helps! :)