In what way was Harriet Beecher Stowe's book uncle toms cabin so important to the albolition movement?

"Uncle Tom's Cabin" by Harriet Beecher Stowe played a significant role in the abolition movement by showing the harsh realities of slavery and stirring public sentiment against it. The book helped expose the inhumanity and cruelty of slavery, prompting many to join the abolitionist cause and contributing to the momentum leading up to the Civil War.