What is an Area set aside for Native Americans by the American government. * Assimilate
Manifest Destiny
Reservation
monopoly

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.

a historian researching the immigration policies of the early 1900s would expect a source written today,rather than in 1910 to :

( a ) be more interested in objective data and statistics.