Answer:
President Truman removed General Douglas MacArthur, for MacArthur treated the Korean War as another World War, in which he had to destroy his opposition no matter the cost (it being the communist regime, and the weapon being nuclear weapons). Truman, on the other hand, knew of the delicate usage of the nuclear weapons, and if they are used, the USSR will counter. This led to Truman removing MacArthur for rash behavior.
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Answer:
b. to convince people that the German government was unrepresentative of its people.
To be honest. This is why the civil war happened. Some people may have lived in the free states, but Most people fought for their beliefs. Hope I helped.