Smallpox and other plague like diseases. Also guns
European explorers and settlers brought diseases such as smallpox to America and the Native peoples did not have an immunity to them and it dramatically reduced their populations.
native American tribes and European settlers
Indians
Mexico chose to welcome European settlers to Texas while excluding American settlers because they believed that European settlers would be more loyal to Mexico and help develop the region, while American settlers were seen as a threat to Mexican control and sovereignty.
The Native American population declined rapidly after 1492 due to factors such as disease brought by European settlers, warfare, displacement from their lands, and forced labor.
Before the European settlers/invaders/explorers arrived, Native American languages dominated.
European explorers and settlers brought diseases such as smallpox to America and the Native peoples did not have an immunity to them and it dramatically reduced their populations.
native American tribes and European settlers
Indians
The principal cause of death among American Indians after the arrival of European explorers and settlers was the introduction of new diseases, such as smallpox, influenza, and measles, to which Indigenous populations had little to no immunity. These epidemics decimated communities, often killing large percentages of the population. Additionally, violence from conflicts with settlers and the disruption of their traditional ways of life contributed to the decline of Native American populations.
Henry Hudson
Indians
Dogs were brought to the United States by European explorers and settlers.
From Europe the Atlantic Ocean was the route used.
Mexico chose to welcome European settlers to Texas while excluding American settlers because they believed that European settlers would be more loyal to Mexico and help develop the region, while American settlers were seen as a threat to Mexican control and sovereignty.
Early settlers and explorers in Box Elder County included members of the Shoshone and Ute Native American tribes, as well as European explorers and trappers such as Jedediah Smith and James Bridger. Mormon pioneers led by Brigham Young also played a significant role in settling the region in the mid-19th century.
The decline of native populations in the Americas was mainly due to diseases brought by European explorers and colonizers for which the natives had no immunity. This was exacerbated by violence, warfare, forced labor, displacement, and social disruption caused by European colonization efforts.