Answer:
Frederick Douglass demonstrated abolition.
Option: (d)
Explanation:
- After Douglass escaped from Maryland and reached Massachusetts, he actively participated in the abolitionist movement and soon came to be known as the leader of the movement.
- His act of forging papers and escaping enslavement became a vibrant example of the demonstration of abolition.
- His valor proved to be an inspiration for many other slaves in the following years.
- He soon emerged to be one of the greatest orators the United States had ever seen.