Answer:
Slavery
Explanation:
Douglass wanted to end slavery that was his main goal. So that motivated him.
No event in American history which was so improbable at the time has seemed so inevitable in retrospect as the American Revolution. On the inevitability side, it is true there were voices back then urging prospective patriots to regard American independence as an early version of manifest destiny. :)
Answer:
the awnser to your question is c