From my understanding of the Rwandan genocide, the Tutsis once held power in Rwanda for many years leaving Hutus as the minority. So I would have to say the answer is A
B. Judicial branch
The Judicial branch upholds the constitution, and enforces it. The legislative branch puts them in check.
The reason the US got involved in the war was because the Japanese bombed Pearl Harbor which then lead the US to fight in the war against Japan,Germany and other countries
Well, I'm not sure which war you're referencing. But, if it's WWI, they did it through war bonds and taxes. Mostly war bonds.