In ored to determine the distance between two cities on a map, which map feature would a student have to use?

How did the instition of slavery continue to affect the world even after it was abolished?

How long was the peasants’ work day?

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.