Bougainville Strait is one of three major routes for merchant shipping through the Solomon Islands; the routes are the Bougainville Strait and Indispensable Strait which link the Pacific Ocean, Solomon Sea and Coral Sea; and the Manning Strait that links the Pacific to New Georgia Sound, which is also known as ‘The Slot’, through which Japanese naval ships resupplied the garrison on Guadalcanal during the Pacific War. Bougainville Strait Bougainville Strait separates Choiseul Island, part of the Solomon Islands from Bougainville Island, the next to the northward and part of Papua New Guinea. It was first passed through in 1768 by Louis
Malaita Kwaio and 'Are'are regions, which may be a dialect of Kwaio. Sa'a, spoken on South Malaita, is also a member of the family. Mutual intelligibility is also aided by the large degree of trade and intermarriage among the groups. The peoples of Malaita share many aspects of their culture, although they are generally divided into ethnic groups along linguistic lines. In pre-colonial times, settlements were small and moved frequently. Both agnatic descent (patrilineal lines from a founding ancestor) and cognatic descent (through links of outmarrying women) are important. These lineages determine rights of residence and land use in a complex