As non-Indians continued to move west, pressures mounted for the delineation of reservations, the resettlement of Indians onto reservations, the reduction in size of established reservations, and finally the opening of reservations to non-Indian settlers. These pressures were not evenly exerted. “Wherever settlers or business people put the most pressure on the government to open Indian lands, the government responded most quickly. . . . 1 יי Many variables, including access to water routes and railroads, soil fertility, and proximity to larger cities and to trading posts, combined to create greater demands on some Indian lands.