I think its A simple existence
Flocking to the U.S for jobs, opportunities, and to have a position in the new economy.
Answer:
D
Explanation:
Your answer is D because It is the right of states to veto federal law he did that to happen.
Hope this helps u:)
Pls mark brainlist
(D) For most of the Early Ages Chinese Culture was far more advanced than European culture.
The correct answer should be climate.