Underground Railroad (11 feb 1796 anni – 27 marzo 1868 anni)

Descrizione:

The underground railroad, created b Harriet Tubman, was a system that helped free slaves from the south.

http://school.eb.com/levels/middle/assembly/view/183711

United States: Underground Railroad. Video. Britannica School, Encyclopædia Britannica, 1 Nov. 2017. school.eb.com/levels/middle/assembly/view/183711. Accessed 19 Jan. 2018.

Underground Railroad. Image. Britannica School, Encyclopædia Britannica, 1 Nov. 2017. school.eb.com/levels/middle/assembly/view/145447. Accessed 18 Jan. 2018.