Cheta n'abali 21 ọnwa Maach afọ a, onyeisiala Buahari kagburu ọgbakọ mba dị na Afrịka nke a na-akpọ, 'African Union'( AU) ebe ọ kara ibinye aka na nkwekọrịta a ga-eji bido"African Continental Free Trade Area.
