President of Nigeria Muhammadu Buhari addresses the United Nations General Assembly at UN headquarters on September 24, 2019 in New York City. World leaders from across the globe are gathered at the 74th session of the UN General Assembly, amid crises ranging from climate change to possible conflict between Iran and the United States. Drew Angerer/Getty Images/AFP
President of Nigeria Muhammadu Buhari addresses the United Nations General Assembly at UN headquarters on September 24, 2019 in New York City. World leaders from across the globe are gathered at the 74th session of the UN General Assembly, amid crises ranging from climate change to possible conflict between Iran and the United States. Drew Angerer/Getty Images/AFP