Have you read the book called Uncle Tom's Cabin? It's said that it is one of the greatest books in America．The book ____an unpleasant social problem—slavery(奴隶制)in the Southern States of America. It first came out in 1852．Over 300,000____were sold out in a year．People had ____ideas about the book．In the North, more and more people began to____theft support(支持)for the freedom(自由)for the black people after they read the book, but in the South, many people were very____at the people in the North. In 1861, the war between the two parts of the country____. Uncle Tom's Cabin surely played a part in the ____. In 1862, Abraham Lincoln met Harriet Beecher Stowe, the book's ____. As he took her hand. Lincoln said, "So this is the little lady who started this big war."