160 acres of free land was offered to any citizen willing to develop the land, meant to bring people west as part of the 1862

answer; /// the correct answer is evidence of the olmec civilization has been found in southern american in a hot steamy forest, archaeologists have found earthen artifacts at several sites that were evidence of the olmec civilization. these   artifacts were mounds,courtyards and pyramids build of stones, also on top of the mounds were many monuments made of stone, some of these stone structures are very large, they weigh as much as 44

a system of cooperative federalism emerged, as the powers of the federal government expanded.