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
French immigration to Cuba Cuba were allowed to return to the island. They, together with new French immigrants, formed a second wave of French immigration to Santiago de Cuba. This second wave promoted an increase in economic activity in the city, and resulted in Santiago becoming a prime exporter of coffee. Sugarcane-raising expanded in the surrounding savannas, while new roads and aqueducts were built to encourage the settling of the Sierra Maestra. Between 1818 and 1835 a third wave of immigration to Santiago de Cuba occurred, prompted by a royal order from the Spanish Crown intended to increase the proportion of whites in the