9.Those reservations fell by the wayside as a wave of anti-Mexican animus, triggered by an economic recession, led the Immigration and Naturalization Service to adopt a highly militarized approach to immigration law enforcement, with Operation Wetback at its center.
然而,一场经济衰退引发了反墨西哥敌意浪潮,继而导致移民归化局开始采取高度军事化的移民执法方针,“湿背客行动”就是这一方针的核心产物,先前的保留政策便纷纷被弃置一旁。