Africa was rich in natural resources. They wanted to establish colonies in Africa to extract them. There were also other reasons such as, nationalism, missionaries and ambition.
The best answer choice in this situation is D because Texas was previously owned by Mexico but then Texas took it
D is the answer
The American attitude shifted in favor of rights for Native Americans. This is based on "Polls showed that Americans believed in rights for Native Americans". Why it's not A is because it wasn't the polling that contributed to the act, but what the polls showed which is C.
Answer:
Checks and balances
Explanation:
Each branch is checking up on one another in the process of disproving or approving.