As a lawful permanent resident you can travel outside the U.S. However, you should be conscious of your return to NIgeria if that is where you claimed persecution from. While travel to the country is not prohibited by law, the fact that you return there may cause DHS to review your application to determine whether it was obtained by fraud. The fact that Nigeria is a high fraud country makes the likelihood of this happening a distinct possibility/
-----------
Jeffrey A. Devore, Esq.
Board Certified Immigration Attorney
Devore Law Group, P.A.
4100 RCA Blvd., Suite 110
Palm Beach Gardens, FL 33410
Telephone: (561) 478-5353
Facsimile: (561) 478-2144
Skype: jeffrey.a.devore
email:
[email protected]
web: www.devorelawgroup.com