Answer:
Uncle Tom's Cabin is a novel written by Harriet Beecher Stowe that depicts the cruelty of slavery in America, changing plenty of people's opinion about slavery in the country.
But The National Era, where the novel started out as a series of articles, was an abolitionist newspaper from Washington D.C.;
the novel was also published by John P Jewett and Co (a Boston Publisher) and later by Kingsport Press in book form around 1852 with a huge success.
Step-by-step explanation: