How has federal legislation since the 1980s reflected american concerns about potential negative effects of international migration? it has reinstated the quota system for immigrants from all nations. it has created penalties for those employing illegal immigrants. it has increased requirements for migrants seeking citizenship. it has banned migrants from working in certain industries.

The way that federal legislation since the 1980s reflected American concerns about potential negative effects of international migration was:  it has increased requirements for migrants seeking citizenship

The abundance amount of migrants will increase the total welfare expense that the country has to spend and will pretty much shrink the potential jobs available for our own citizen. As a response for that, we regulate the citizenship process and only allowed the migrants that would increase our economic capabilities.