Affect on african Americans during the American revolution ?

The government used a controversial bailout program to a. homeowners struggling with mortgage b. foreign banks overload with that c.automakers on the verge of collapse d.construction companies losing jobs

Which of the following led to a continuation of the treatment in the excerpt above? a)the brutality of the trans-atlantic african slave trade. b)spanish repression after violent native uprisings in new spain during the 16th century. c)european competition to quickly establish colonial holdings in the new world. d)the reliance of the spanish on native americans to provide labor under the encomienda system.

Why have some historians rejected the labels bc and ad as laels for periods in world history