C) "I did not wish to take a cabin passage, but rather to go before the mast and on the deck of the world"
Memoir is a personal legacy written so we can call it a historical source but not document. It is not an evidence, a report or not even a record. It is more like an autobiography or a biography from memorial times. It is a legacy written by a person for a person.
Frederick Douglass wrote an autobiographical slave narrative.
One negative effect is that it has lead to an upsurge in billing because people can now hide behind the internet and don’t have to say it to the actual persons face. Another problem is that it takes a lot of focus from students causing grades to drop and them not to pay attention to people and teachers