* Provided food, shelter, and clothing
* Introduced new crops and animals
* Taught new skills, such as farming and weaving
* Offered protection from other tribes and from European colonists
* Provided a place to learn about Christianity and European culture
Harm
* Spread disease, such as smallpox and measles
* Disrupted traditional ways of life
* Forced Native Americans to convert to Christianity
* Separated families and communities
* Led to the loss of land and resources
*Contributed to the decline of Native American populations