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Photograph Citations (left to right):
Berliners Watch a Berlin Airlift C-54 in Flight IRC, 2005. Image. Discovery Education. Web. 22 April 2014. <http://www.discoveryeducation.com/>.
Churchill's "Iron Curtain" Speech, March 5, 1946 IRC, 2005. Image. Discovery Education. Web. 22 April 2014. <http://www.discoveryeducation.com/>.