The correct option is B Harriet Beecher Stowe
Harriet Beecher Stowe was a world-renowned American writer, staunch abolitionist and one of the most influential women of the 19th century. Although she wrote dozens of books, essays and articles during her lifetime, she was best known for her novel, Uncle Tom’s Cabin Or, Life Among the Lowly, which brought unprecedented light to the plight of slaves and, many historians believe, helped incite the American Civil War.