Which of the following is true of the truman doctrine?
a. it amounted to an informal declaration of cold war.
b. it ended the policy of containment.
end of exam
c. it created the north atlantic treaty organization.
d. it established the marshall plan.

The statement which is true of the Truman Doctrine was that it amounted to an informal declaration of the Cold War. The Truman Doctrine actually contained containment as it was a policy to stop communist expansion from the Soviet Union. The countries where Truman tried to stop this and the countries often referred to when speaking about the Truman Doctrine were Greece and Turkey.