B: Palmer Raids
C: Fear of Bolshevism
Answer:
The increase in agricultural production and technological advancements during the Agricultural Revolution contributed to unprecedented population growth
Explanation:
Answer:
Post -Civil war reconstruction.
Explanation:
During years the politic of United States was the overseas expansion ( Ocean to ocean).
Many Americans did move to territories in the west and the south. This expansionism always was a force in American History,
But during the time of the civil war while the nation was torn apart, the expansion came to a halt after that time the US started rebuilding and expanding again.
<span>"The Battle of Antietam was one of the most important events of the American Civil War.
... The battle ended the Confederate invasion of Maryland in 1862 and
resulted in a Union victory. It also led to President Abraham Lincoln
issuing the Preliminary Emancipation Proclamation on September 22, 1862."
These are not my words, there from study.com / hope this will help you
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