Answer:
<u>Increased U.S. involvement in Vietnam</u>
1) process of Vietnamization
2) invasion of Cambodia
<u>Decreased U.S. involvement in Vietnam</u>
1) authorized bombing of Cambodia
2) diplomatic efforts by the Chinese and Soviet Union
Explanation:
I think the main issue was not to approve <span>Emancipation Proclamation, which made all the slaves in the south were free. I'm not sure about this answer </span>
Well the building could collapse because of the power of these seismic waves