Which of the following phrases best describes interactions between Indian tribes and the U. S. government in the 19th century? a series of broken treaties regarding the rights of Indian tribes
a prolonged period of peace between the U. S. government and Indians
western expansion that was not resisted by the Indians
a misunderstanding over who owned the gold found on the land

The U.S. government fell into a pattern of forming and then breaking treaties with the Indians. This allowed settlers to take more and more Indian land, forcing Indians to ... had a long history of forming treaties with tribes, and as a western expansion ... About three thousand Sioux warriors led by Crazy Horse descended upon ...

Explanation:

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porter is writing economic history because he is focusing on the cost of developing vaccines.

first representative government in british america called virginia assembly