When the first African slaves were imported to the US around the 18th century, how long did it take before cross-breeding between whites and blacks of both genders to come to fruition and what was the reaction from society?

by iStanley

Georgy_K_Zhukov

Almost immediately, and the reaction was negative, with laws being passed by the late 1600s in an attempt to quash such relationships from occurring. Having only just written on a very similar topic, I would suggest that you check out this thread, as well as this one from a recent AMA.