The large use of slaves as a work force caused what problem for the displaced farmers? * a. spread of disease
b. lack of food
c. shortage of jobs
d. not enough resources

How did european immigrants of the late 1800s change american society

One of the great societal changes brought about by industrialization in europe was a. slavery. b. urbanization. c. ruralization. d. democracy.

Which of the following was a key accomplishment of the people of songhai? a. they had a strong military and became the largest empire in west africa. b. they established a center of islamic scholarship. c. they worked with iron and prospered from the gold-salt trade. d. they dominated in the trade of ivory, enslaved people, and animal skins.