page_title: Puerto Rico Campaign
section_title: Prelude
hierarchical_section_title: Puerto Rico Campaign / Prelude
caption_attribution_description: Rear-admiral Alfred Thayer Mahan, an American strategist and inventor of the term Middle East.
context_page_description: The Puerto Rico Campaign was the American military sea and land operation on the island of Puerto Rico during the Spanish–American War. The offensive began on May 12, 1898, when the United States Navy attacked the capital, San Juan. Though the damage inflicted on the city was minimal, the Americans were able to establish a blockade in the city's harbor, San Juan Bay. On June 22, the cruiser Isabel II and the destroyer Terror delivered a Spanish counterattack, but were unable to break the blockade and Terror was damaged.
  The land offensive began on July 25, when 1,300 infantry soldiers led by Major General Nelson A. Miles disembarked off the coast of Guánica. After controlling the first skirmish, the Americans advanced to Coamo, where they engaged Puerto Rican and Spanish troops in battle. The battle concluded when the allied soldiers retreated after the battle left two dead on their side, and four on the American side.
context_section_description: In 1890, Captain Alfred Thayer Mahan, a member of the Navy War Board and leading U.S. strategic thinker, wrote a book titled The Influence of Sea Power upon History in which he argued for the creation of a large and powerful navy modeled after the Royal Navy. Part of his strategy called for the acquisition of colonies in the Caribbean Sea which would serve as coaling and naval stations, and serve as strategical points of defense upon the construction of an Isthmusian canal.
  This idea was not new, since William H. Seward, the former Secretary of State under the administrations of various presidents, among them Abraham Lincoln and Ulysses Grant, had stressed that a canal be built either in Honduras, Nicaragua or Panama and that the United States annex the Dominican Republic and purchase Puerto Rico and Cuba. The idea of annexing the Dominican Republic failed to receive the approval of the U.S. Senate and Spain did not accept the 160 million dollars which the U.S. offered for Puerto Rico and Cuba. Mahan made the following statement to the War Department: "Having therefore no foreign establishments either colonial or military, the ships of war of the United States, in war will be like land birds, unable to fly far from their own shores. To provide resting places for them where they can coal and repair, would be one of the first duties of a government proposing to itself the development of the power of the nation at sea."
  Since 1894, the Naval War College had been formulating plans for war with Spain. By 1896, the Office of Naval Intelligence had prepared a plan which included military operations in Puerto Rican waters. Not only was Puerto Rico considered valuable as a naval station, Puerto Rico and Cuba were also abundant in a valuable commercial commodity which the United States lacked: sugar.
  On February 15, 1898 USS Maine exploded and sunk in Havana Harbor, Cuba. According to the Navy's leading weapons expert, Philip Alger, the explosion was due to a coal fire igniting a reserve magazine of six tons of gunpowder, much of which was already degrading due to the humid climate. However, the United States forwarded an ultimatum to Spain to withdraw from Cuba following the sinking of Maine. In response, Spain broke off diplomatic relations with the United States, and on April 23, 1898 Spain declared war. On April 25, the U.S. Congress declared that a state of war between the United States and Spain had existed since April 20. One of the United States' principal objectives in the Spanish–American War was to take control of Spanish possessions in the Atlantic—Puerto Rico and Cuba—and their possessions in the Pacific—the Philippines and Guam.
  On April 27, U.S. ships, the monitor USS Puritan, the armored cruisers USS New York, and USS Cincinnati, bombarded the Spanish fortifications at Matanzas Bay in Cuba. By July 16, an armistice was signed at the Arbol de La Paz (a large ceiba tree) in Santiago de Cuba by U.S. and Spanish forces ending hostilities in Cuba and its waters. The United States then directed its undivided military resources to Puerto Rico. Two leaders of the Puerto Rican section of the Cuban Revolutionary Party, Dr. Julio J. Henna and Roberto H. Todd, had written to U.S. President McKinley asking that Puerto Rico be included in whatever intervention was planned for Cuba as early as March 10. They even provided the U.S. government with information about the Spanish military presence on the island.
caption: Alfred T. Mahan
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