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 Spain. On April 25, the United States declared war. America claimed to have had no self-serving interest in Cuba, but some political and military leaders and imperialists did believe the war would be an opportunity for the United States to expand territories overseas and to demonstrate its increasing naval power against a weak foe. Moreover, the United States sought to expand economic ties with Cuba for its resources in sugar and tobacco, all of which influenced America's decision to intervene. It was evident that gaining territories across the globe would increase the strength and influence of the United States and