HELP PLEASE
i need too know what these are asap

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 was a challenge for president truman’s political agenda in 1950

Which best describes the effect of europe on aboriginal peoples?