Fill in the Blanks Harriet TubmanOnline version Use what you read in Harriet Tubman: Conductor on the Underground Railroad to fill in the blanks. by Katie Aggas 1 Harriet fugitive Tubman freedom plantation truths Civil biography courage War South The years prior to the were especially perilous for escaped slaves , but returned again and again to the to help slaves gain freedom . Where did her physical and moral come from ? This excerpt from Ann Petry's of the former slave describes how 6 - year - old Harriet learned about life on the and came to understand the bitter about slavery . The last code word is the only word left - .