Which factors allowed for the development of the four river valley civilizations of mesopotamia and egypt the indus valley and china?

During the war of 1812, the united states tried to capture land that is part of which of the following countries? a. france b. spain c. canada d. mexico

If one thinks illegal immigrants should become american citizens, should they become american citizens automatically or should there be a waiting period? if there should be a waiting period, explain why.

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.