The result of the Korean war was a stalemate - so noone won. That's why options A, B, and C are not correct.
D is correct- the containment of the spread of Communism was successful.
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<span>The need for the Constitution grew out of problems with the Articles of ... on those powers to assure that no one branch of government gained supremacy</span>
I believe that this is an opinion question that only you can answer
