In what ways could a former slave make a more persuasive messenger for abolition that a person who has never enslaved?

The personal experience with slavery would allow for true stories of the experience rather than philosophical or moral arguments.

People would be more likely to believe a person’s first-hand accounts of abuses.

A former slave taking up such a cause could prove to people that free slaves could be capable citizens.

the dominoes began to fall. the surrender at appomattox took place a week later on april 9. while it was the most significant surrender to take place during the civil war, gen. robert e. lee, the confederacy's most respected commander, surrendered only his army of northern virginia to union gen. ulysses s. grant

explanation:

in 1989, tiananmen square in beijing was the site of china’s main industries. china’s government headquarters. -pro-democracy demonstrations. (second choice)