Naval Battle of Guadalcanal General Headquarters—with approval from the Emperor—agreed on 31 December to the evacuation of all Japanese forces from the island and establishment of a new line of defense for the Solomons on New Georgia. Thus, the Naval Battle of Guadalcanal was the last major attempt by the Japanese to seize control of the seas around Guadalcanal or to retake the island. In contrast, the U.S. Navy was thereafter able to resupply the U.S. forces at Guadalcanal at will, including the delivery of two fresh divisions by late December 1942. The inability to neutralize Henderson Field doomed the Japanese effort to successfully
Santa Isabel Island Maestre de Campo Pedro Ortega Valencia and Alférez Hernando Enríquez resulted in the discoveries of the islands of Malaita, Guadalcanal, Savo, Vangunu, Choiseul, Makira, Ulawa, Malaupaina, Malaulalo, Ali'ite, and Ugi Island. The Spanish immediately came into contact with Solomon Islanders and at first the relationship was cordial. However, the Spanish expedition's need for fresh food and water quickly led to tension and conflict, the Solomon Islanders’ subsistence economy being unable to provide continuous supplies to the Spanish. Having found no gold and little food, and beset by attacks and sickness, the Spanish colonists shifted their colony to the site of