What did Native American tribes experience during the early 1800s? O They challenged the authority of the United States government over them.

O They gained land as the nation expanded westward.

O They gained prosperity with the policies of Andrew Jackson.

They challenged the authority of the United States government over them.

Explanation:

its no the other 2 because

they lost land in the westward expansion

and

the suffered at the hands of Andrew Jackson

checks and balances are needed to keep the government running smoothly, they allow the three branches of government to overrule one another so that one branch of government does not become too powerful.