What led to the growth of the slave trade in the American colonies?

European Colonies Starting to develop

Explanation:

There was a high demand for many labourers for the sugar, tobacoo, and cotton plantantions.

a main cause of the trade was the colonies that european countries were starting to develop.

Explanation:

in 1501. short;ly after christopher columbus discovered  america. spain. and portuagal began shipping african slaves to south america to work on their plantations.

either b) they were often feared and despised by other native cultures. or

c) their obsession allowed them to coexist with many other native cultures because of their peaceful nature.