Before that legislation, some citizens of those four countries who also had passports in countriesbr like Britain or Japan could enter the United States without a visa by using their other passport.br By HAEYOUN PARK, KAREN YOURISH and GARDINER HARRIS FEB. 6, 2017br President Trump and his aides have repeatedly suggestedbr that the executive order temporarily barring refugees and blocking citizens of seven Muslim-majority countries from entering the United States is an outgrowth of Obama administration policy.br Two months after Congress passed the legislation, the Department of Homeland Security, using criteria designated by Congress, added Libya, Somaliabr and Yemen to the list of countries for which recent visitors would be required to get visas to enter the United States.br But Mr. Trump said in an interview with the Christian Broadcasting Networkbr that Christians would be given priority once the United States resumed taking in refugees.