Why was the counting of slaves for representation a subject of debate?.

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.

Explain how stock market speculation contributed to the great depression.

African crossing the delaware on christmas night,1776, washington and his troops were victorious in which two battles