The answer for above statement is:
Harriet Beecher Stowe in her novel "Uncle Tom's Cabin"
Explanation:
Uncle Tom's Cabin or Life Among the Lowly, is an anti-slavery novel by yank author Harriet emancipationist abolitionist. Printed in 1852, the novel had a profound impact on attitudes toward African Americans and slavery within the U.S. and is alleged to possess "helped lay the groundwork for the Civil War"
