hi!
the answer is:
She wrote a book that showed the horrors of enslavement.
explanation:
Harriet’s book, called Uncle Tom’s Cabin, captured the nation’s attention on the effects of slavery by showing that it didn’t just impact slaves, masters, or slave traders, but that it actually impacted every aspect of society. it became the second best selling book of the 18th century, and because of this, is credited for helping to fuel the abolitionist movement of the 1850s.
i hope this helps you!