Final answer:
China adopted a defense posture of the people's war in the 1960's because it feared a large-scale invasion.
Step-by-step explanation:
In the 1960s, China adopted a defense posture of the people's war because it feared a large-scale invasion. China adopted a defense posture of the people's war in the 1960's because it feared a large-scale invasion. After suffering as a result of the Korean War and being isolated by the United States and Western Europe, China realized the need to always possess the capability to do battle with communist forces.
The outbreak of the war pushed President Truman to adopt a policy that called for increased spending on defense, highlighting the importance of being prepared for potential invasions.