Answer to Question #333880 in Political Science for Shnaw

Question

https://www.whitehouse.gov/briefing-room/presidential-actions/2021/02/24/notice-on-the-continuation-of-the-national-emergency-concerning-the-coronavirus-disease-2019-covid-19-pandemic/

 After reading that article (and this article from the Guardian: https://www.theguardian.com/world/2020/mar/24/donald-trump-coronavirus-emergency-powers-abuse(Links to an external site.) (Links to an external site.)), where was President Trump getting the legal authority to enact the initial Emergency Declaration, specifically? According to the Guardian article, how might President Trump (or President Biden, presently) abuse the powers granted under an Emergency Declaration?