Complex sentence: The Treaty of Mississinwas, which was made on October 16,1826, freed up the first public lands for settlement in northern Indiana, and arranged for the purchase of a narrow tract of land, where the federal government constructed the Michigan Road.
Split into simpler sentences: The Treaty of Mississinwas of October 16,1826, freed up the first public lands for settlement in northern Indiana. It also arranged for the purchase of a narrow tract of land, where the federal government built the Michigan Road.