African tribes were all to happy to sell off their defeatedenemies to foreigners, so they could never return. Because it wassuch a cheap endeavor and there were many ununited people, Africabecame a very good source. The Americas were sparely populated andrich in Natural Resources, but there was not enough labor to makeus of it. Since more labor meant more profit, some plantationsbenefited greatly from this. Also, due to the great amount of openspace and resources, families were often quite large. Slaves wereoften taken into these large families to help raise and teachchildren.