Which event most exemplifies containment policy? which event least exemplifies containment policy? choices - tuman doctrine, marshall plan, berlin airlift, and korean war

 the marshal plan and korean  were based on the Truman doctrine, and most exemplifies the containment policy
On the other hand, the Berlin airlift least exemplifies the containment policy because it was the techniques used to overcome the iron curtain and escape the east Germany communist regime, under Soviet Russia.