Resources
http://en.wikipedia.org/wiki/Cold_War_Timeline
http://en.wikipedia.org/wiki/Bizone
http://en.wikipedia.org/wiki/Truman_Doctrine
http://library.thinkquest.org/10826/timeline.htm
http://en.wikipedia.org/wiki/Marshall_Plan
http://www.germanculture.com.ua/library/history/bl_bizone.htm
http://timerime.com/en/event/835493/Truman+declares+active+role+in+Greek+Civil+War/
http://www.trumanlibrary.org/teacher/doctrine.htm
http://www.trumanlibrary.org/teacher/doctrine.htm