What was the purpose of John Brown’s raid at Harper’s Ferry? A. to steal weapons to use in an uprising against slavery
B. to scare the Union into allowing secession
C. to protest the passage of the Kansas-Nebraska Act
D. to free enslaved people who were forced to work there

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.