This question incomplete because the options are missing; here is the complete question:
The immediate crisis that prompted of the Truman doctrine was related to the threat of a communist takeover in:
A. Iran.
B. Greece and Turkey.
C. Communist China.
D. Czechoslovakia.
E. Berlin.
The answer to this is B. Greece and Turkey
Step-by-step explanation:
The Truman Doctrine proposed in 1947 aimed at stopping the spread of Communism in countries around the world, and in this way weaken the power of the Soviet Union during the Cold War. This policy proposed by President Harry Truman was triggered by Communist movements and uprisings in Greece and Turkey that made Truman propose a policy to stop communisms in these two countries, and any other country that could be influenced by the Soviet Union. Thus, this doctrine was related to the communist takeover in Greece and Turkey.