Which of the following describes The Medicine Lodge Treaty?

It gave former African American slaves their freedom by releasing them from their slave owners.
It mandated that Native Americans had to relinquish territory for additional settlement of new tribes from other parts of the country.
It mandated that Native Americans had to relinquish territory for the construction of railroad lines.
It is written to bring peace to the area by relocating the Native Americans to reservations in Indian Territory, away from settlement.