In 847, an Arab Chinese was accepted into the civil service as a government official. Single choice. (1 Point)

Bi Sheng

Li Yansheng

T'sai Lun

Zheng He

​

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.