* Uncle Tom's Cabin is a fictional novel that focuses on the experiences of various enslaved people, including Uncle Tom, Eliza, and George Harris.
* William Carney was a real person who was a famous soldier in the Union Army during the Civil War. He was the first African American to receive the Congressional Medal of Honor for his bravery at the Battle of Fort Wagner.
While both are important figures in American history, they are not connected in the way you suggested.