I believe the answer is C.) some of them ran to Florida in search of freedom
<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
</span>
A. Correct the effects of past discrimination
The answer to this is B. It lies west of Mississippi River and East of Rocky Mountains in the U.S and Canada.