Creating a drain on the food,clothing and shelter of American Indians.
Hope it helps :)
Answer:
3
Explanation:
Abolitionists are people who strongly support the idea that slavery should not be a thing.
1 is not the answer since they support slavery.
2 is not the answer since triangular trade involves trading slaves.
4 is not the answer since southern plantations owners use slaves.
That leaves us with 3.
To work on their plantations, which were their main source of income. The plantations required a lot of really intensive and dangerous work that the colonists did not want to do themselves. They realized that African slaves provided cheap labor and could be easily replaced.
Eventually, the colonists just became over reliant on this slave labor, which is why they “needed” it.
The Pullman strike was caused by the panic of 1893, George Pullman, which increased hours for working and they cut down wages.
Hopefully this will help someone out! :)