[Daily Trust] Ten days ago on Friday, January 31, the Trump administration added Nigeria to the list of countries whose citizens are affected by an immigration ban to the US. Citizens of African countries Nigeria, Eritrea, Tanzania and Sudan, as well as those of Kyrgyzstan and Myanmar, will have seriously restricted access to US immigrant visas, though the ban does not affect visas for official, business or student travel. Exceptions could also be made for immigrants "who have helped the US."The US Department of Homelan