They were the first American expedition to cross what is now the western portion of the United States.
Answer:
Explanation:
I can't give all three but one of them is if they are doing wrongdoing then all we are able to do is protest against it because if any one of us were to do it we would get in trouble so everyone should get treated equal.
Answer:
B) The agency set up courts to settle land disputes.
C. A jobs program to get Americans working during the Great Depression