im what ways could a former slave make more persuasive messenger for abolition than a person who was never enslaved?

Explanation:

Ways that could a former slave make a more persuasive messenger for abolition than a person who was never enslaved are: present the evidence that demonstrates he was a slave and to use his anecdotes to convey a touching message and People would be [ more likely to believe a person's first-hand accounts of abuses. ]

because its important to learn about other countries and how high tech they are compared to us. also its good to learn about other cultures and how ours differs and in common also we need to learn about companies that we still buy since they ship it here.