Answer:
Hello. You did not show the options for answers, but we can say that two reasons that led to the increase in the number of slaves in America, was the increase in the need for cheap labor for agricultural crops and the prohibition of the Catholic church on enslaving the Native Americans.
Step-by-step explanation:
The American colonies were very dependent on agricultural production to be able to maintain an efficient trade and for the consumption and maintenance of the colonies. To achieve such a profitable agricultural production, extremely cheap labor was necessary, with the use of slaves being the best option considered at the time. However, the Eropeus did not enslave one another and the Catholic Church forbade the use of natives as slaves. This caused the demand for African slaves to become increasingly necessary in the view of the colonists.