The crash of exploding bombs in the Hawaiian Islands, Guam and possibly the Philippines, the roar of anti-aircraft guns and the twisted, flaming skeletons of wrecked planes heralded the war of the Pacific, with the principal antagonists the United States and Japan—a war that has been long brewing, a conflict often predicted but previously avoided. But the Japanese aggression yesterday did more than start a Pacific war. It broadened the conflicts already raging into a world-wide struggle whose end no man can know.