The northerners didn't need slavery because their main economy is manufacturing at factories.
Because they didn't have anything to do with slavery, they viewed it with a critical eye.
The southerners had slavery because they had giant plantations to farm cash crops. The soil was futile and had a suitable climate.
Answer:
the Pilgrims
Explain:
In 1620, a group of roughly 100 people later known as the Pilgrims fled religious persecution in Europe and arrived at present-day Plymouth, Massachusetts, where they established a colony. They were soon followed by a larger group seeking religious freedom, the Puritans, who established the Massachusetts Bay Colony.
Uhh the first thing that comes to mind is the Black Plague but I’m not sure