What best defines an amendment?

the amendments are changes that have been made to the Constitution since it was written in 1787. There are 27 amendments, which protect some of Americans' most important freedoms. The first 10 amendments are known as the Bill of Rights.

Explanation:

answer; /// i do believe that the correct answer is (a); a farming tribe that settled primarily along the mississippi and arkansas rivers;

they died because of a disease during the first spanish colonies.