Answer:
Three-fifths compromise, compromise agreement between delegates from the Northern and the Southern states at the United States Constitutional Convention (1787) that three-fifths of the slave population would be counted for determining direct taxation and representation in the House of Representatives.
The correct answer is c.to free all slaves living in states in rebellion against the union
The Emancipation Proclamation freed all slaves that were residing in areas that were rebelling against the government. With the proclamation, the aim of the war changed to include freeing slaves
in addition to the preservation of the union