Why did jefferson davis run for president?

The code talkers work contributed mostly to

All of the following were restrictions on free african americans, who lived primarily in the upper south except:

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.