Battle of Santiago de Cuba Cuba, leaving civil order to the military government that the United States established. The U.S. Army under the overall administration of General Leonard Wood governed the island for some time afterwards and, with help, removed many of the mines laid in the bay. The immediate effect of the Battle of Santiago and the larger Spanish–American War, then, was the end of any noteworthy Spanish naval presence in the New World. In the imperial vacuum left by Spain's New World empire, the United States now exerted considerable influence both in annexing formal territories such as Puerto Rico, Guam, and the Philippines
Battle of Santiago de Cuba and later research by historians, have suggested that nearly 85% of the Spanish ammunition at Santiago was utterly useless, either defective or simply filled with sawdust as a cost-saving measure for practice firing. The American ammunition had no such issues of lethality. "Vizcaya" continued the fight until overwhelmed, and by the end of the engagement she had been struck as many as 200 times by the fire from "Brooklyn" and "Texas". "Brooklyn" had closed to within when she finally delivered an round which, according to witnesses, may have detonated a torpedo being prepared for launch. A huge explosion ensued, "Vizcaya"