What kind of method does Harriet Tubman use to help slaves to escape? A. She ushers people to escape in the night. B. She has enough courage. C. She develops Underground Railroad to help slaves get freedom. D. She has escaped but come back. 2. What is the first thing that the slave owners had to deal with? A. The slaves want to escape. B. They have to look at the slaves in different ways. C.Slaves are very brave and have courage. D. They are afraid that the slavers will rebell. 3. What the information is true according to children in America? A. Children in America know nothing about Hurriet Tubman. B. All children in America know the slavery. C. Few children know the story of Hurriet Tubman. D. Children know few about American slavery but they know Hurriet Tubman. 4. What makes Hurriet Tubman an American hero? A. Because she is great. B. Because she is an hero. C. Because she hlep many slaves get freedom. D. Because she changed the slave's mentality. 5. Why can't Hurriet Tubman free more slaves? A. Because there are so many slaves that she can't save them. B. Because she has no more efforts to free them. C. Because she changed the mind. D. Beacuse she can't convince them.