Respuesta :
Answer:
As the English, French, and Spanish explorers came to North America, they brought tremendous changes to American Indian tribes. ... Diseases such as smallpox, influenza, measles, and even chicken pox proved deadly to American Indians. Europeans were used to these diseases, but Indian people had no resistance to them.
Explanation:
They brought with them deadly diseases and they were later sold into slavery by the Europeans. In total 90% of pure Native americans were dead