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>
It was the USS Maine. it was blown up in the <span>Havana Harbor on Feb 15, 1898</span>
The United States finally decided to join the World War I on side of the Allies mainly because of the following 2 reasons:
* The first one was the proposal made to Mexico in order to join the war against the allies, which meant the war was getting closer to American land.
* The second one was the German submarine attacks on American merchant ships.
After these two events took place, Woodrow Wilson the American president at the time talked to the Congress and requested it to declare war on Germany. And finally the Congress declared the war on April 6th, 1917.
Their goals were to take the land and with their army they were supposed to win