 Complete the following phrase:  In 1859 a 12-year-old John Deane lives in Gettysburg, Pennsylvania with his family. He is friends with Nicholas, a black servant, with whom he is training a colt. He is devastated when Nicholas is kidnapped by slave catchers and sent to the South to be sold. He learns that his father is a conductor on the Underground Railroad, and he visits Harpers Ferry where he witnesses 