Final answer:
NSC-68 declared a global war against communism, making a transition to total containment, playing a significant role in the overall containment strategy and the Korean War.
Step-by-step explanation:
NSC-68 was a document that played a significant role in the overall containment strategy and the Korean War.
It declared a global war against communism, making a transition to total containment.
The outbreak of the Korean War led President Truman to adopt the recommendations in NSC-68, which called for increased defense spending and the need to always possess the capability to do battle with communist forces.
This document shaped U.S. foreign policy and military decision making for more than thirty years.