He was unable to prove his theory because he didn't have any proof.
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.
Answer:
Supply for the mother country by putting limits on goods the colonists could buy or sell, whose ships they could use, and who they could trade with.
Explanation:
Fur elise, piano sonata number 8 and 14 (Beethoven)