BERLIN — Europe knows, and this city in particular, about the importance of American “red lines.” West Berlin, caught for more than four decades 100 miles within the Soviet occupation zone, survived on the credibility of the U.S. commitment to it, demonstrated by the Allied airlift in response to the Soviet blockade of 1948.
A shattered Europe became whole, free and prosperous under the shield of U.S. credibility. Article 5 of the North Atlantic Treaty spelled out that an armed attack against one member “shall be considered an attack against them all.” This was believable enough to deter a Soviet attack on Western Europe.
American credibility in Asia has played a substantial part in the rapid but peaceful rise of China, a power shift of a kind that has seldom, if ever, occurred in world history without major conflict. China believes in the U.S. defense commitment to Japan, South Korea, the Philippines, Australia and New Zealand. America has been the offsetting power allaying the tensions of China’s emergence.
It is the credibility of the United States as a European and Asian and Middle Eastern power that underwrites global security.
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