What started the 22 year civil war between the Communists and Guomindang?

Why were inventors essential or necessary for an industrial revolution to happen in america

Can someone me write a paragraph on this topic i feel confused

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.