Two questions! would be appreciated greatly! the dawes act: a) assumed that indians would prosper as farmers b) led to the strengthening of tribal life c) encouraged the u. s. army to attack indians at sand creek and elsewhere d) was strongly supported by helen hunt jackson railroads angered american farmers by: a) their practice of charging small shippers more than large ones b) setting lower transportation costs for western farmers than eastern ones c) making it possible for mail-order catalogs to reach rural dwellers d) preventing the use of the refrigerated car until well into the twentieth century