Conversation so far:
when did Frederick Douglass become an abolitionist?
In 1843.
what did he do as an abolitionist?
Then 23 years old, Douglass conquered his nervousness and gave an eloquent speech about his rough life as a slave.
who did he give the speech to?
Massachusetts Anti-Slavery Society's annual convention in Nantucket.

Question: how was it received?
Self-contained rewrite: how was Frederick Douglass' speech received?