Answer:
He could never be a slave.
Step-by-step explanation:
Frederick Douglass was a famous American statement. He was widely known as someone who manage to overcome series of unfortunate events in his life. Starting out as a slave when he's young and climb his way up to the top positions within the government.
At that time, most slaves did not receive education.
So, many people did not believe Douglass when he said that he used to be a salve due to his ability to speak eloquently even if compared to the majority of government representatives.