Malaita the days of the labour trade. There are villages of Malaitans in many provinces, including eight "squatter" settlements that make up about 15 percent of the population of Honiara, on Guadalcanal. Malaitans who had emigrated to Guadalcanal became a focus of the civil war which broke out in 1999, and the Malaita Eagle Force (MEF) was formed to protect their interest, both on Guadalcanal and on their home island. The organization of Regional Assistance Mission to Solomon Islands (RAMSI) has contributed to the infrastructure development of the island. Malaita is a thin island, about 102 miles (164 km) long and
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