The ostensible objective of Khrushchev’s offensive, which took on a greater urgency when the Soviet leader demanded two weeks later that the West make up its mind to withdraw from Berlin within six months, was to get the Americans to abandon Berlin and allow it to become a ‘free city’. If they did so, the credibility of their general commitment to the defense of Western Europe would be seriously dented, and neutralist, anti-nuclear sentiment in West Germany and elsewhere would probably grow.