Henson.

3. The Underground Railroad was a secret web of escape routes and safe houses through which slaves in large numbers, with the help of lots of courageous people, fled to the North and obtained freedom. Courageous men and women forget it.

4. The author wanted to help the Americans remember those heroes.

5. He saved enough money by working in iron molding on the side to buy his freedom.

6. Because he helped the slaves escape.

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文案大全7. Because he was driven by religious conviction.

8. Coffin received frequent death threats and warnings that his store and home would be burned.

9. They had to travel hundreds of miles through unknown country with no road sign and few maps, usually under cover of night.

10. Because slavery had been abolished there in 1833, and Canadian authorities