Pedzisa mutsara unotevera:
mumushandirapamwe wake wemutungamiri wenyika wa2008, Barack Obama akavimbisa kutsigira nzira yokuva vagari venyika yeAmerica kune vanoenda kune dzimwe nyika vasina magwaro, umo vanoenda kune dzimwe nyika vakadaro, kana vaine mukurumbira wakanaka, vaigona kubhadhara faindi mukutsinhana nokuwana mukana wokuva vagari venyika. Muna 2013, Obama akakumbira Kongiresi kuti ibatanidze nzira yokuva mugari wenyika muhurongwa hwekugadziridza mutemo wevapoteri hwainenge yapasa. Border Security, Economic Opportunity, and Immigration Modernization Act of 2013, yakatenderwa neUnited States Senate musi wa27 Chikumi 2013, yaizogadzira nzira yemakore gumi nematatu yekuva mugari wemamiriyoni evatorwa vasina magwaro, nzira yaizoda kuti vapfuure nekuongororwa kwakawanda kwekuchengetedza vasati vawana kadhi girini.