Which two civilizations had such a great influence on later cultures that they were called the "mother cultures"?
the chavín and the olmec
the nazca and the moche
the olmec and the zapotec
the zapotec and the nazca

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.