Why did Harriet Beecher Stowe's novel, Uncle Tom's Cabin (1852), influence northern attitudes toward slavery? a. It included scientific evidence of the effects of slavery on those enslaved.
b. It put forth a stirring moral indictment of slavery.
c. It suggested that Northerners should pay for slaves to be sent to Africa.
d. It argued that the North was not responsible for the institution of slavery.