What were interactions between pioneers and Native Americans like?

Usually civilized.

Explanation:

They traded goods like food, fur, crops, and tools.

It depends on which part of the country and history you look at.

Explanation:

Sometimes it was hostile, like when people would take their land to settle on, other times it was more of a trading partner relationship.

by improved communication.

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.