Answer:
the 3 one the only one that make sence
Explanation:
At this time in the Neolithic, c. 7000-6,000 B.C.E., people were often buried under the floors of homes, and in some cases their skulls were removed and covered with plaster in order to create very life-like faces, complete with shells inset for eyes and paint to imitate hair and moustaches.
1. George Washington, James Madison, George Mason, Roger Sherman.
2. Federalism, checks and balances, seperation of powers.
I think it was Native Americans, I could be wrong though...