He was forced to write a letter to the African Union telling them that he "profoundly respects" the United States' partnership with Africa.
Speaking on education, the President told the British Prime Minister that more investment is required in the sector as it is very vital, adding that in this present age, "people can look after themselves if well educated". "We need well-staffed and well-equipped institutions to move into the next generation".
The President explained that the cancellation was to allow for more consultations with stakeholders in Nigeria over the trade agreement. We brought back about 4,000 people from Libya recently.
In her remarks, Prime Minister May said Britain would continue to work with Nigeria in training and equipping the military.
Despite concerns over his health and increasing criticism over insecurity in the country, Nigeria's President Buhari, who is now in London attending the Commonwealth Heads of Government Meeting (CHOGM) recently declared he would be standing for a second term.
In her remarks, May said the Nigerian government have made good progress in the area of economy, but was concerned about security, especially the abduction of young schoolgirls by Boko Haram.
Climate change and environmental issues also came up for discussion, and President Buhari brought up the necessity of inter-basin water transfer from Congo Basin to Lake Chad. It is important to equip young people for today's world.
Prime Minister May, who commended President Buhari for the much he has been doing on improving trade and business for Nigeria, noted that it was also time to boost intra-Commonwealth trade.
Last year, the State Department under President Trump approved the sale of 12 military planes and security equipment worth $600 million to Nigeria.
The White House said in an announcement on Sunday, April 15, that President Donald Trump will discuss issues related to the promotion of economic growth and fighting terrorism with his Nigerian counterpart during the meeting.
He said the same God who healed the President when he was sick would grant him victory in 2019.