Answer:
Reservation.
Explanation:
The American government provided a reservation for the Native Americans, also known as the Indians to settle.
This became necessary after series of armed conflict between the American government and the natives over ownership of land and land usage.
The American government eventually prevailed and proposed a deal with the natives to provide a reservation for them where they would not be disturbed and allowed to live their life the way they choose to.
Judging from your other questions, I would guess the Aztecs, because they had an extremely advanced civilization relative to their time period. However, you might want a second opinion to verify this. Hope this helps.
It was making loans in exchange for property, hope this helped :)!