Lenape French and Indian War (a part of the Seven Years' War in Europe). The Lenape's quick adoption of trade goods, and their need to trap furs to meet high European demand, resulted in their disastrous over-harvesting of the beaver population in the lower Hudson Valley. With the fur sources exhausted, the Dutch shifted their operations to present-day upstate New York. The Lenape who produced wampum in the vicinity of Manhattan Island temporarily forestalled the negative effects of the decline in trade. Lenape population fell sharply during this period, due to high fatalities from epidemics of infectious diseases carried by Europeans,
Native American peoples of Oregon boarding schools, which were meant to assimilate the children to white settler culture which could be brought back to their home communities. In 1850, Anson Dart was appointed the Superintendent for Indian Affairs in the Oregon Territory. In order to pursue the interests of the United States, Dart worked to craft the Anson Dart Treaties. These treaties promised reservation land, school, medical care, and safety from settler aggression. In return, the United States would absorb a vast amount of land. In particular, Congress was interested in removing native peoples from the fertile land in the Willamette Valley. Congress eventually rejected