Theft of furs between tribes
During the Little Ice Age, there was a very high demand for furs so they could use them for survival during the cold weathers.
The extinction of animals
The high demand for furs resulted in about 500,000 deer being killed every year as well as beavers and other animals with fur.
Conflicts among tribes is too vague. It didn’t spread disease and if it did, Afro-Eurasia was mostly immune to diseases. Metal tools and trade for manufactured goods benefitted the American Indians
