<span style="color: #222222;">In a major development, the Trump administration has urged a federal district court not to block an Obama-era rule allowing certain categories of spouses of H-1B visa-holders to work in the United States.<br />''<br />''In a submission before the US District Court, District Washington this week, the Department of Homeland Security (DHS) argued that the American technology workers, who had challenged the 2015 ruling on giving work permits to H-4 visa-holders, have not been irreparably harmed by such work authorisation.<br />''<br />''An H-4 visa is issued to the immediate family members of the H-1B visa-holders.</span><br />