Why Did the United States Adopt the Policy of Hypodescent?​

Why did the United States adopt the policy of hypodescent?​

A) ​By conflating the cultural and biological, the United States used this policy historically to discriminate.
B) ​This policy was primarily in place as a way to encourage families to produce more children across perceived racial lines.
C) ​Primarily applied to limit economic transactions across racial groups, it, instead, served to create a caste system in the United States.
D) ​Hypodescent was used during the epoch of slavery as a way to prevent social and reproductive interaction between the races.