This is because the Americas were looking for extra help they didn't want to have to pay for and thought that the Africans were experienced in farming and were strong. They would have chosen the Indian-Americans (that should be referred to as Native Americans), but because of the sicknesses, that did not happen.
Slavery in America began when the first African slaves were brought to the North American colony of Jamestown, Virginia, in 1619, to aid in the production of such lucrative crops as tobacco.
As the name implies, these are appointments the President makes when the congress is in recess. This is when congress-members go back to their states and districts.
