Which river is located in africa and is the world’s longest river, at 4,160 miles?
a. the amazon river
b. the congo river
c. the niger river
d. the nile river

Who's idea was it for businessmen to use their wealth for the greater good of society? (gospel of wealth ~ap u. s. history

Which type of work did slaves in the us south not engage in? gang work skilled work task work union work

The telegraph, the transatlantic telegraph cable, and the telephone were important to businesses after 1850 because of a. they created a system for developing new inventions. b. they filled a need that other inventions of the day could not. c. they attracted investors and created the stock market. d. they made picture-taking a popular american pastime.