US Army Center
U.s. Army Center of Military History: Chapter Ii: The House Divided
This resource provides information on the period in Korea just before the Korean War, and on the partition of Korea by the United States and the Soviet Union.
Mount Holyoke College
David T. Fautua: The "Long Pull" Army of Korean War
Provides a lengthy account of United States Cold War policy, NSC-68, and the United States policy towards the Korean War.