Start the lesson with verbal introduction about ,,Cold war,, and with this video: https://www.youtube.com/watch?v=wbl0ILaANnc
After the video ask students the following questions:
How was the Cold War already being fought with respect to economics and knowledge? How would you best describe the message that Truman was trying to send the Soviets? What motivated this message? How was the idea of containment challenged by the Soviets?