What discription best matches the authors characterizion of hitler

the speech revealed that eastern european countries were no threat to their neighbors, which led to the creation of the truman doctrine i think this might be correct.

the speech convinced americans that the ussr was an enemy, rather than an ally, which led to the creation of the truman doctrine.

i am not 100   percent sure but i do know that hitler was burned to death with gas so that makes me think it is d. because they were under his control if they fail or not do as told they will be killed but i could be wrong hope this