Answer:
The thoughts and perspectives of indigenous individuals, especially those who lived during the 15th through 19th centuries, have survived in written form less often than is optimal for the historian. Because such documents are extremely rare, those interested in the Native American past also draw information from traditional arts.
Explanation:
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Discrimination and being treated as second class citizens
That mostly depends on the country that held them, however, the common forms of protest were either calm protests that weren't violent, or they were full blown civil wars of independence with numerous battles, or they were based on guerilla warfare where they would lead a war of attrition with the western powers until they decided to just leave.
A government should offer protection and sustenance.
I believe it was the growth of advanced machinery. Throughout the 18 and 19 century, we began to change. Make more advanced technology because it made life much more easier. They called it the Industrial Revolution. Keyword industrial. That's what my instructor taught me.