The choice below which best describes the Triangular Trade is b) European nations imported manufactured goods from Africa and exported slaves to the American colonies. The American colonies exported raw materials to Africa. A triangular trade can be defined as a historical event which took place between three ports or regions.
That slaves would take its jobs at lower wages is people in border states.
The principal reform called for, is the elimination of the national origins quota system and the overview of numeric limits on immigration from the western hemisphere laterally with the strong claim for immigrant workers by the US employers led to rising numbers of unauthorized immigrants in the united states in the decades after 1965 especially in the southwest. Policies in the immigration and control act 1986 that were intended to curtail migration across the mexican united states border ran many unofficial workers to settle lastingly in the united states. The demographic trends developed a central part of anti-immigrant activism from the 1980s prominent to greater border militarization rising hesitation of migrants by the border patrol and a focus media on the theoretical criminality of immigrants.
Slash and burn agriculture is most often practiced in places where open land for farming is not readily available because of dense vegetation
The Caddoes, The Coahuiltecans, The Karankawas, The Wichitas thats all i know.