"<span>C.Under free enterprise, merchants were able to
conduct unrestricted international trade. Under mercantilism,
international trade was restricted" is the best option, but there were other differences as well. </span>
Answer: There was a significant disillusion towards being able to assist Europeans and other nations in fighting off significant threats. At the same time, postwar disillusion in Europe resulted in a general rejection of the institutions and ideologies that plunged the continent into the worst of all wars.