Analysis of information sources in references of the Wikipedia article "Population history of the Indigenous peoples of the Americas" in English language version.
For the most part, however, the diseases that decimated the Natives were caused by natural contact. These Native peoples were greatly weakened, and as a result, they were less able to resist the Europeans. However, diseases themselves were rarely the sources of the genocides nor were they the sources of the deaths which were caused by genocidal means. The genocides were caused by the aggressive actions of one group towards another.
Some of the worst examples of escalating death by sickness and disease occurred on the Spanish Christian missions in Florida, Texas, California, Arizona, and New Mexico in the period 1690–1845. After the military delivered captive Indians to the missions, they were expected to perform arduous agricultural labour while being provided with no more than 1400 calories per day in low-nutrient foods, with some missions supplying as little as 715 calories per day.
For the most part, however, the diseases that decimated the Natives were caused by natural contact. These Native peoples were greatly weakened, and as a result, they were less able to resist the Europeans. However, diseases themselves were rarely the sources of the genocides nor were they the sources of the deaths which were caused by genocidal means. The genocides were caused by the aggressive actions of one group towards another.
Some of the worst examples of escalating death by sickness and disease occurred on the Spanish Christian missions in Florida, Texas, California, Arizona, and New Mexico in the period 1690–1845. After the military delivered captive Indians to the missions, they were expected to perform arduous agricultural labour while being provided with no more than 1400 calories per day in low-nutrient foods, with some missions supplying as little as 715 calories per day.
Eventually 40,000 Incas would govern some 10 million subjects speaking over 30 different languages. Consequently, the centralised Inca government, employing a vast network of administrators, governed over a patchwork empire which, in practice, touched local populations to varying degrees.