Complex sentence: The 1832 Treaty of Cusseta, by which the Creeks ceded all land east of the Mississippi River to the United States allowed white settlers to legally buy land from the Creek, although its terms did not require any natives to relocate.
Split into simpler sentences: The 1832 Treaty of Cusseta, by which the Creeks ceded all land east of the Mississippi River to the United States, allowed white settlers to legally buy land from the Creek. However, its terms did not require any natives to relocate.