During the one hundred years following the original treaties between the US government and American Indian tribes, treaties -were no longer sought.
-successfully prevented conflict.
-were broken or ignored by many.
-were successfully attempted.

Were broken and ignored by many

Explanation:

While America promised to give American Natives land, they continuously pushed them farther and farther west.

the

explanation:

social contract theory, nearly as old as philosophy itself, is the view that persons' moral and/or political obligations are dependent upon a contract or agreement among them to form the society in which they liv