Underground Railroad
作者：Aryan Goshalia - Centennial Sr PS (1506)
1. Dangers
1.1. Slaves had to find a way to escape from owner (usually at night)
1.2. Slaves were afraid that someone would find them and take them back
1.3. Usually slaves didn't pack anything so they would have no food
2. Causes
2.1. Helped the slaves escape to freedom
