The correct option is:
A. Southwestern Kansas and northwestern Indian Territory.
The Little Arkansas Treaties were signed in 1865 between the United States government and the tribes of Kiowa, Comanche, Plains Apache, Southern Cheyenne, and Southern Arapaho at Little Arkansas River, Kansas.
The tribes were designated an extensive reservation between the Arkansas and Cimarron rivers in southwestern Kansas and northwestern Indian Territory.
Answer:
Southwestern Kansas and Northwestern Indian Territory.
Explanation:
