Answer:
The domino theory is that when one country or region falls to communist rule, others would follow suit.
Containment was the U.S' theory of not letting communism to spread.
When the domino theory was introduced, containment was the solution in America's perspective at the time.
(This theory proved to be wrong.)
Hope it helps.....5 days late
Explanation:
D
The answer is weathering. Weathering is where rocks or other materials are broken down because of forces like wind or water. This is different than erosion, which is the process where the broken down materials are moved.
