The announcement made by President Lincoln during the Civil War on September 22, 1862, emancipating all slaves in states still engaged in rebellion against the Union. Although implementation was strictly beyond Lincoln's powers, the declaration turned the war into a crusade against slavery. It went into effect on January 1, 1863.
The answer would be C. because the colonies were created for 1. the motherlands to get richer off the natural resources and 2 the places were getting crowded with debtors.