Answer:
1. French heroine to whom Tubman is compared
Jeanne D'Arc
2. legal right to recover run-away slaves
Fugitive Slave Law
3. person desiring to help mankind
philanthropist
4. increased potential wealth for cotton farmers.
cotton gin
5. author who had planned to write Tubman's story, but did not
Harriet Beecher Stowe
6. network of secret places where escaping slaves hid
Underground Railroad
7. a haven of escape for slaves
Canada
8. Harriet Tubman's friend and biographer
Sarah Bradford