Answer:
1) D. - 3, the Legislative, Executive, and Judical.
2) C. - Senate and House of Representatives.
3) A. - The President.
4) B. - Legislative.
5) B. - Make sure laws follow the Constitution.
6) B. - Make laws.
7) B. - To pass laws.
8) C. - Veto laws.
9) B. - The courts.
10) C. - National, The United States of America.
Hope this helps.