Which of the following was a factor in the practices of indentured servitude and slavery in the southern colonies?
Cash crops such as tobacco and sugar required many workers.
The fishing and shipping industries required many workers.
Imprisoned debtors were brought from Africa to settle the colonies.
Indentured servitude and slavery were not allowed in the Caribbean colonies
"Cash crops such as tobacco and sugar required many workers" is the best option from the list, since this require large fields that needed to be tended to in order to cultivate the crops, which were in high demand.