Why did urban areas develop subway, elevated train, and streetcar systems? a. to make it possible to transport raw materials and finished goods b. to provide transportation for rural workers who lived in cities c. to make it possible for people to move around within cities d. to provide transportation for urban workers who lived on farms

Item 14 which statement is an accurate description of the transatlantic slave trade? africans were brought to the americas in a three-part system of triangular trade. slaves went from europe to africa, and then to the americas in a circle of trade. native american slaves were sent to europe in exchange for sugar and molasses. africans traded tobacco and furs for captured arabs whom they sold into slavery.