Complex sentence: During this period until 1816, numerous other treaties were signed by the Cherokee, all ceding land to the United States and allowing for roads through Cherokee territory, but also keeping in force the terms of the Holston treaty.
Split into simpler sentences: During this period until 1816, numerous other treaties were signed by the Cherokee. In each they ceded land to the United States and allowed for roads to be constructed through Cherokee territory, but also kept the terms of the Holston treaty.