When Europeans first came to North America, why did they bring widespread changes among the American Indians?

Question

Communities always remain separate from each other with little to no communication.
Ideas are never shared when people move from place to place.
A large movement of people always brings changes to communities.
People always adopt new ideas and completely get rid of old ideas

Answer 1

The statement that best explains why Europeans brought widespread changes among the American Indians is:

A large movement of people always brings changes to communities.

When Europeans arrived in North America, they brought new technologies, ideas, diseases, and practices that significantly impacted the lives of Indigenous peoples. The interaction between the two groups led to profound changes in social structures, economies, and cultures, which were not solely limited to direct conflict but also included trade, intermarriage, and the sharing (and sometimes imposing) of different ways of life.