The argument he used was that because he had lived in a territory where slavery was illegal, he could never again be enslaved. This was a doctrine that was recognized in common law for centuries in Europe.
The Cold War started because of United States and Soviet Unions difference in view when it comes to Communism. US became more and more concerned with how the Soviet Union are showing their "expansive tendencies" when it comes to their dealings with Europe. The long telegram that was sent to the Department of State became the greatest foundation of the America's Cold War Policy of containment.
The Soviet Unions aggressive speeches and actions against Iran and Turkey gave way to the Truman's administration to show a stronger stance instead of a diplomatic approach that the previous administrations were doing. These factors guaranteed acceptance of Kennan's analysis that was expressed on the telegram.
To gain something out of that canal
Answer:
Garvey called for African Americans to start a revolution.