The umayyads were the first muslim dynasty to determine leader succession through election. restrict muslim control to the arabian peninsula. support muhammad during his lifetime. achieve success after caliph rule.

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.