United Nations formation
UN preamble
Warsaw Pact
doc
NATO
Iron Curtain
Berlin Airlift
Berlin Wall
Containment
Truman Doctrine
Marshall Plan (how much money given?)
U-2 incident
Brinkmanship
Outline chart page 476
http://www.history.com/this-day-in-history/east-germany-approves-new-constitution?cmpid=Social_Twitter_H2_03192013_5