About how man languages were spoken in north america at the time of european contact

In 1912, the imperial system that had ruled over china for thousands of years

In the mid-1800s, how did american indians often react to the us government signing treaties with tribal chiefs to establish reservations? many american indians did not accept the treaties and resisted relocating. many american indians fought for land taken away by the dawes act. many american indians bought land in oklahoma from white settlers. many american indians accepted the treaties and relocated voluntarily.

2. what was the dred scott decision about? what do we learn from this supreme court case?