When Communist forces were attempting to gain control in Greece and Turkey, how did Harry Truman respond?
A.) with the Truman Doctrine, which was a blueprint for containing communism outlined in a magazine
B.) with the Truman Doctrine, which was a plan to destroy Joseph Stalin's power in the Soviet Union
C.) with the Truman Doctrine, which was a promise to aid nations struggling against communist movements
D.) with the Truman Doctrine, which was a speech that described the idea of the iron curtain