History, 4th time posting this : / 1 - 5 god bless

Ok 1. Is D, 2is Constitution has three main functions.  First it creates a national government consisting of a legislative, an executive, and a judicial branch, with a system of checks and balances among the three branches.  Second, it divides power between the federal government and the states.  And third, it protects various individual liberties of American citizens.
3. Is B
4. IsC
5.is A bill becomes a law if the President signs it. The President doesn't always wish to sign the bill. If this happens the bill is then sent back to Congress