Complex sentence: The Mohegan tribe, in contrast to the Mahikans, has remained in New England, but some of the Mohegan tribe scattered (and many moved near the Mahican tribe in New York, also going to Wisconsin).
Split into simpler sentences: The Mohegan tribe, in contrast to the Mahikans, has mostly remained in New England. Some of the Mohegan tribe scattered (and many moved near the Mahican tribe in New York, also going to Wisconsin).