gone. rcbeeen ma mouninanges,e mesaelor , jones calls iseg t nes sech has vealed thasides re ere opm cealne. rare not migrating only to the united stateselor , many come theexic, ere speciazo was creed wi.sagem u.s.ompaniescod loca ns ere speciazo was creed within0 kimete wi.sof border toake advantage of cheap mexican labor plants like is ociudad a "maquila" is a measure of corn jororn oil given a farmer. but the maquiladora plantse had "give back"e. all theifinishedrocts to the u.s. nothing made here coulbe sold inexico. ey get nothing b wagesfotheir lo all theifinishedrocts that sheltered local industries, but there was a ice procte technologicaknow-how. e north american free trade agreement, onafta, was crafted to gradual end those protections. the first thing it did was end e locational restrictions. so now, the maquiladoras from the u.s. and manyigrants from the holw core move to find eacother in cities soutofheor ke ts. they are also migrating here to monterrey. located in the northern border region, monterrey is mexico's third largest city and the couny's centerof he. rof american-