The correct answer is C.
The Marshall Plan was an initiative launched by the US in 1948 to help the recovery of Western European countries after WWII. $ 12 billion were sent to rebuild those countries and to boost their economies.
The US was embodied in the containment strategy and in stopping the spread of communism worlwide. Therefore, rebuilding Western Europe under the influence of the US was beneficial because these powerful countries would act as a barrier for containing communism.
