Which of the following is an example of how slavery was opposed and combated in the United States in the years leading up to the Civil War (1800-1860)?
Abolitionist groups were formed throughout the Northern states.
Anti-slavery newspapers were established.
The Underground Railroad helped thousands of slaves escape to freedom in the Northern states and Canada.
All of these are examples of how slavery was opposed in the United States leading up to the Civil War.

the second significant cause of the great migration was the desire of black southerners to escape segregation, known euphemistically as jim crow. rural african american southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the north.

this is a good question! i'll do some research and come back when i have the answer!

the safahids used force when persuasion to convert from being a sunni muslim to embrace shi'ism was not effective. they also persecute shi'ites who have different views from their imposed teachings.