When Charlemagne came to power in the late 8th century, he united the disparate cultures and artistic practices that were thriving across Europe at the time. Specifically, he modeled his rule after the Christian Roman Empire. How did this revival of the ancient Roman past have an impact on Carolingian art?

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.