An effect of the discovery of the New World in the late fifteenth century was a global exchange of plant life as different plants were transported to America where they thriwed, but different plants were also transported back to Europe and thriwed there as well.
A because most people don't understand people that have a accent or that's from different places. So most likely they use them to communicate with their people
The Dawes Act of 1887 (also known as the General Allotment Act or the Dawes Severalty Act of 1887), authorized the President of the United States to survey American Indian tribal land and divide it into allotments for individual Indians.