<span>It would be "correlating" rocks of similar age in different regions.</span>
Answer:
The Mexico–United States barrier is a series of vertical barriers along the Mexico–United States border aimed at preventing illegal crossings from Mexico into the United States.
The answer should be A. Great Depression.
Answer:
Power divided between the state and federal government.
Explanation:
The national government would have control over the broader area of concern. The state government would have control over deciding how to handle smaller, more local, and more specific concerns within that broad area.