Action of 13 June 1898 decided to withdraw. At the outbreak of the Spanish–American War Cienfuegos was a strategically important port due to its facilities and good communications with Havana. Some prewar plans recommended its prompt capture, but instead it was blockaded, along with some other important ports of the southern coast of Cuba such as Santiago de Cuba and Manzanillo. The most powerful Spanish naval units of the island, meanwhile, had been gathered in Santiago, and submarine defenses consisting mainly of torpedoes had been installed in the major ports of Havana, Cienfuegos, Santiago and San Juan de Puerto Rico. The naval units based in
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