the concept of containment was formulated by the us chargé d'affaires in the ussr, george kennon.keeping the ussr within the boundaries of the zones of influence assigned to it at the yalta conference in 1945. kennen's ideas formed the basis of the truman doctrine, and its driving force was secretary of state marshall's plan for the restoration of europe. however, after. the victory of the revolution in china and the korean war , it became clear that it was impossible to contain communism solely by economic methods, so another option came up containment - intimidation. the initiator was john foster dulles, the future secretary of state in the esenhower administration. he declared his readiness to use the full power of nuclear potential for retaliation in the event of a limited attack on the united states. but in the second half of the fifties, the ussr and the united states already had intercontinental ballistic missiles. in 1957, harvard university professor and another future secretary of state henry kissinger expressed the idea that a war with unlimited use of nuclear weapons w