Representative money has value because: A. it can be used only for food or shelter.
B. it is assigned value by a government.
c. it can be exchanged for specific goods.
D. it is made of a valuable material.

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.