Estward settlement which of these factors did not  encourage western settlement? american indians selling their land completion of the transcontinental railroad growth of the cattle industry land grants through the homestead act

American Indians selling their land

the tariff was created to protect industry in the northern part of the united states. industries in the north were being driven out of business by imported goods that were priced at a low rate. the goal was to protect these industries   by taxing the goods.