39.Which of the following was typical of agreements such as the Fort Laramie Treaty between the United States government andAmerican Indian in the post-Civil War West?a.They frequently led to the formation of a common interest between the United States government and AmericanIndians in controlling the activities of White settlers.b.They generally led to the formation of strong, independent American Indian nations.c.They usually lasted a short time before being broken by settlers’ incursions onto American Indian reservations.d.They led to the abandonment of most reservations as American Indian families sought economic opportunities inurban areas.