Berlin Wall (7 jul 1961 año – 7 jul 1989 año)

Descripción:

Berlin Wall." Britannica School, Encyclopædia Britannica, 1 Nov. 2017. school.eb.com/levels/middle/article/Berlin-Wall/310181. Accessed 22 Jan. 2018. The Berlin wall was put in place to separate the west Berlin people from the east Berlin people

http://school.eb.com/levels/middle/assembly/view/198115

http://school.eb.com/levels/middle/assembly/view/198116