What is the idea of World Revolution?

After the supreme court’s ruling on the dred scott case, many people in the north believed that a. slavery might become legal everywhere. b. slavery might be banned everywhere. c. formerly enslaved people would move to the north. d. formerly enslaved people would stay in the south.

Which man believed that african americans should actively fight for the rights they deserve, even if they put their lives in danger?

The first settlement created by the pilgrims in 1620, came for religious freedom. i'm failing history