Answer:
the answer is B
Samuel Slater (June 9, 1768 – April 21, 1835) was an early English-American industrialist known as the "Father of the American Industrial Revolution" (a phrase coined by Andrew Jackson) and the "Father of the American Factory System"
Because the North wanted to abolish slavery and the South didn't because they were making some serious money.
Slaves worked for free and had to do all hard labor that they were told to do.
The main motive for imperialism was to obtain and control a supply of raw materials for industries. This meant that a weaker country with abundant natural resources would be colonised. Imperialists were often brutal in the way they treated the indigenous population