When European came to the New World, they brought not only settlers but diseases that widespread in Central and South America. The diseases were smallpox, chickenpox, and cholera, among many others. The diseases became the result of the deaths of the major ancient civilizations like Maya, Aztec and others with its entire population (people). Portuguese tried to recruit Native Americans in the fields and mines in Brazil but failed because of the death of the Natives with coming contact with the diseases, those who survived often escaped to the forests. Colonists found the solution for the labors by importing slaves from Africa.
