Māori people peaceful tribes from their productive turangawaewae, such as the Moriori in the Chatham Islands by invading forces from North Taranaki, had a catastrophic effect on these conquered tribes. At the same time, the Māori suffered high mortality rates for new Eurasian infectious diseases, such as influenza, smallpox and measles, which killed an unknown number of Māori: estimates vary between ten and fifty percent. The spread of epidemics resulted largely from the Māori lacking acquired immunity to the new diseases. A huge influx of European settlers in the 1870s increased contact among many of the indigenous people with the newcomers. Te
Mexican Armed Forces As of 2005, intervention in UN peacekeeping operations began being discussed, with strong resistance from some members of the Congress. However, in 2016 the first group of the Mexican Armed Forces joined MINUSTAH, the UN mission in Haiti: three officers (one from each service) as members of the mission's HQ, and two officers and one NCO attached to the Chilean battalion, by an agreement between the two countries. Mexican authorities have expressed their interest to increase their participation in the future. The Mexican Armed Forces has been deployed to several Central American countries to provide disaster relief, and most recently,