Complex sentence: In 1846, those Miami who held separate allotments of land were allowed to stay as citizens in Indiana while the rest of the tribe was removed to reservations west of the Mississippi River, first to Kansas, then to Indian Territory in Oklahoma.
Split into simpler sentences: In 1846, those Miami who held separate allotments of land were allowed to stay as citizens in Indiana. The rest of the tribe was moved to reservations west of the Mississippi River, first to Kansas, then to Indian Territory in Oklahoma.