This executive order helped set the stage to be able to ban travel from countries affected by COVID-19. By the time that the virus showed up, the precedent was set to be able to ban travel.
Source:
- January 27, 2017. Pres. Donald J. Trump. “Executive Order Protecting the Nation from Foreign Terrorist Entry into the United States.” The White House.
https://web.archive.org/web/20171216210744/https://www.whitehouse.gov/presidential-actions/executive-order-protecting-nation-foreign-terrorist-entry-united-states/.
Government.