Liberals in Congress wanted to scrap the restrictive quota-based system that had governed U.S. immigration policy for decades. Conservatives feared that America’s ethnic and racial composition would be forever transformed. So in 1965 they compromised: an immigration model that would favor “family unification.” By giving priority to the relatives of U.S. citizens, who were mostly … Continue reading Family ties drive U.S. immigration. Why Trump wants to break the ‘chains.’