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
Indigenous people of Oaxaca warmer by the coast and in the Papaloapan region, which is part of the Gulf of Mexico coastal plain. Oaxaca is the historic home of the Zapotec and Mixtec peoples among others, and contains more speakers of indigenous languages than any other Mexican state. Excavations have shown that the region has had a settled population for at least 4,000 years. In the pre-Columbian period, the Zapotec developed an advanced civilization centered in Monte Alban in the central valley, which lasted between 300 BC and 700 AD. The state was expansionist, and extended its authority to the north, west, and southwest.