Although for many months the people of Britain have wished for a U.S. declaration of war on the Axis, last week Britons began to realize that total war on the planet meant totally new problems.

When the first news of the U.S.Japanese war came to Britain, the London Times mumbled gloomily: "Germany's chief expectation of gain from the new phase of the war would seem to lie in a diminution of supplies to, a postponement of active American participation in, European and African theaters, and an unhindered seizure of fresh bases facing the Atlantic and South America."

Next day the Times, and...