What was your greatest achievement, and what effect did this achievement have on civilization?

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.

When conducting research for forming a hypothesis, which practice should historians follow?

Why did countries not allow jewish refugees asylum?