The primary achievements of John Rolfe had to do with agriculture, since he was an early English settler in the colonies who was primarily responsible for making the exportation of tobacco from Virginia incredibly profitable.
Chinese subjects were forced to adopt the customs of the Mongolia people.
Answer:
White people in america didn´t see them as humans, so that allowed them to use them as slaves. This view of them being non-human allowed them to use them as tools and sell them like animals.