What can be a alternative policy that would have protected the interest of white settlers while preserving the rights and respecting the culture of native Americans ?

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).

according to worldatlas.com, the u.s. has an 86% literacy rate.