Which hand-powered machine helped turn cotton into thread? A.
the cotton gin
B.
the mechanical reaper
C.
the steam locomotive
D.
the spinning jenny

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.

Under president reagan, the united states began to develop the strategic defense initiative, nicknamed "star wars.” what was the goal of that plan?

Between 1870 and 1916, approximately how many immigrants came to the united states? 10 million 25 million 75 million 125 million