1.the Native American chief who helped Smith
2.established San Diego
3.discovered Mississippi River
4.founder of New Orleans
5.first explored the St. Lawrence River
6.founder of Quebec
7.claimed Atlantic coast for England
8.claimed New York area for the Dutch
9.explored parts of the Mississippi for France
10. sailed the Mississippi to the Gulf of Mexico

1. Powhatan

2.Portola

3. DeSoto

4. De Bienville

5.Cartier

6.Champlain

7.Cabot

8. Hudson

9. La Salle

10.Marquette and Joliet

Explanation:

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.

i think it was because of how protected egyptian civilization was was which allowed them to evolve without much outside influence.