Which sentence states a fact?
A: During the Civil War, Frederick Douglass spoke to President Abraham Lincoln about the treatment of African American soldiers.
B: Of all those who fought to put an end to slavery in America, the writer and abolitionist Frederick Douglass had the greatest influence.
The second sentence states a fact.
During the Civil War, Frederick Douglass spoke to President Abraham Lincoln about the treatment of African American soldiers.
It can be proved by reading Frederick Douglass's autobiography.
The first sentence states an opinion.
Of all those who fought to put an end to slavery in America, the writer and abolitionist Frederick Douglass had the greatest influence.
Most influential shows what a person believes, thinks, or feels. Another person might have a different opinion about which abolitionist had the greatest influence.