Harriet Beecher’s intent when writing Uncle Tom’s Cabin is to get the north to hear the wickedness of slavery in the south and using the evils of slavery to possibly change their perspective or view on slavery. Harriet Beecher Stowe portrays the evils of slavery by showing how slavery is dehumanizing.talk about how it was going to tear eliza away from harry in which led her to run away or talk about prues story how she was used to breed just to make slaves to sell and and how she eventually ended up dead, talk about how the author kind of uses ophelia realizing the evil of slavery through prues death to try to show how others opinions can change, we see the tearing apart families theme appear towards the end of the book when you see george