The best answer is, decreased dramatically.
Following the massive and consistent arrival of Europeans following the expeditions of Columbus in 1492, the American Indians were faced with devastation, disease, and death. Colonial settlers, the British, French, Spanish, and eventually American governments would all negotiate various treaties and agreements with the American Indians, however, these were often violated or negotiated in a way to leave the Indians in some kind of deficit. As the years passed and the tribes along the east coast were removed or assimilated, the American government enacted full-blown warfare against the American Indians in the mid-west and west, eventually forcing all remaining members into assimilation and reservations.
Because they thought the confederacy was going to attack their new territory
The purpose of the watchdog role is to watch over the activities of a specifical part of the government and to report problems or illegal acts. It could be a person alone, a group or a committee. It also exists in private practice, as to avoid that a company acts wrong or against the laws and regulations.
How was Judaism different than previous polytheistic belief system ~Judaism is Monotheistic the belief in one god.