Trade with the Arabs did a few things for the African kingdoms. It increased trade, profit, and led to a ruling class.
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Answer:
Im not 100% sure, but choice 2 looks the best to me
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.