george kennon wrote the long telegram, a famous document studied and is worth studying many times over. and he wrote it from russia. and it is called long, the long telegram, because, indeed, it's very long for a telegram, spanning soviet culture and other issues. it became the basis for what was called the containment theory of dealing with the soviets. in other words, if you contained the soviet union, because of the nature of the people, indeed, the entire culture and political system would implode. it was known as the containment theory. however, if we read the document there is lots of information about culture, about peoples, and even about the threats to americans via women -- religious organizations, labor unions, all of which we see in these cards. so truman articulated who was called the truman doctrine. which is key -- which he announced, and was key -- announced that it was the duty of the united states to uphold global freedom and that communism must be contained. that national security depends on nuclear power, a strong military, and civilian preparedness to mobilize in d