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
Bugle and trumpet calls of the Mexican Armed Forces the infantry bands and the engineers. The remainders are played by trumpeters of the cavalry and artillery. Drum and bugle calls are always performed by the Mexican Navy's drum and bugle bands, whether aboard ships or on land. Drum and bugle calls of the Mexican Air Force are used on the ground on airbases. Bugle and trumpet calls of the Mexican Armed Forces The Mexican Armed Forces have a number of bugle and trumpet calls for the different branches. Drums and bugles are used to signal the various calls for most units of the Army, Navy and Air Force while