FYI Before 1848 the area where trump wants to build a wall was sovereign land of Mexico. An invasive war was began by the United  States to acquire these lands, especially the California Republic, with the discovery of gold, the greed factor took over.The people now that are being demonized as illegal immigrants, were there for centuries, and were dispossessed by an act of war, and for those who believe in the spoils of war, and Manifest Destiny,what goes around, come around.