Answer:
21 states have been the birthplace of presidents.
The answer is letter B. It freed the slaves in the Border States.
<span>The
Emancipation Proclamation was the presidential proclamation that had lead to the
freedom of many slaves in the borders of the United States. Because of this,
the slave were legally freed from their owners after the Emancipation
Proclamation.</span>
I think that the answer could be B because Columbus had slaves
