Vice President Biden spoke with Nigerian President-elect Muhammadu Buhari to congratulate him on his victory in the recent Nigerian elections and affirm that the United States stands ready to expand collaboration with Nigeria on issues of common concern, including economic and security matters. The Vice President commended President-elect Buhari for his leadership in helping to ensure the elections were conducted peacefully and urged him to continue to foster a smooth, inclusive, and peaceful transition with President Jonathan. The Vice President expressed the United States' support for Nigeria's efforts to counter Boko Haram, recover hostages held by the group, and protect civilian populations. The Vice President also expressed the willingness of the United States to partner more closely with Nigeria to strengthen its economy.
Joseph R. Biden, Jr., Readout of the Vice President's Call with Nigerian President-Elect Buhari Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/311053