At the beginning of the 21st century, U.S. immigration policy did which of the following?
made it more difficult for unskilled workers to obtain U.S. citizenship
granted amnesty to illegal immigrants who had paid U.S. income taxes
placed restrictive quotas on immigration from Middle Eastern countries
gave preference to immigrants with family already living in the United States
made it more difficult for unskilled workers to obtain U.S. citizenship
granted amnesty to illegal immigrants who had paid U.S. income taxes
placed restrictive quotas on immigration from Middle Eastern countries
gave preference to immigrants with family already living in the United States