The most difficult challenges faced by the plymouth and jamestown settlers were not starving to death, since they were unfamiliar with the territory and farming practices needed for the land, and dealing with hostile Native Americans, since many natives viewed them (correctly) as being a threat.
Treaty was needed to serve and satisfy a fundamental need of States to regulate by consent issues of common concern and thus to bring stability into their mutual relations between native Americans and US.
Explanation:
Treaties form the basis of most parts of modern international law. Like International environmental agreements are important because they enable countries to work together to deal with vital environmental issues which are trans boundary or global in nature for e.g. air pollution, climate change, protection of the ozone layer, and ocean pollution.
The federal government in many treaties agreed to guarantee education, health facilities, housing, and other services to native Americans. The United States also agreed to manage and protect inhabitant's resources, such as lands and timber.
The answer to number 2 is D) Paul Revere. I dont know the other two
But how do we search profiles/accounts?
Democracy originated in Ancient Greece