(20 PTS) BEST ANSWER GETS BRAINLIST Which of the following is a key difference between a biography and an autobiography?

The amount of research the author conducts
The amount of first-person narrative
The author's history with the subject
The author's relationship to the subject

hancock was president of congress when the declaration of independence was adopted and signed. he is primarily remembered by americans for his large, flamboyant signature on the declaration, so much so that "john hancock" became, in the united states, an informal synonym for signature.

explanation: