Describe the contributions of Native American groups including Sacagawea.

Sacagawea led Lewis and Clark from the Rocky Mountains to the Pacific Ocean and back and was a very good translator. Other Native American groups discovered natural medicine, domesticated animals, and invented many other things later on that contribute heavily to society today.

the answer is hope this you.

a social contract.

"a social contract is an agreement between citizens and their leader where the citizens give up certain freedoms in exchange for protection. the constitution of the united states is an example of a social contract."