The highest mountain peak is Mount Whitney
America is governed as a democracy, meaning being ruled by the people. but the first answer doesn't make sense but its the closes one i guess.
It is B, a sudden overthrow of an existing government
<span>Definition: a U.S. doctrine of reciprocal deterrence resting on the U.S. and Soviet Union each being able to inflict unacceptable damage on the other in retaliation for a nuclear attack.
While usually I would go with the answer B. Economic Collapse, after reading the definition, my answer would be D. Nuclear War.
I hope this helps! </span>
Answer: Diem started reforms that stripped power from wealthy landowners.
Explanation: