Which amendment to the constitution ended slavery in the u. s.?

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.

What did the japanese regard as the main purpose of the attack

Ahistorian claims massive drought and famine in china caused the boxer rebellion. which of the following historians is making a counterclaim?