Twitter’s announcement Monday that it will set up its first Africa base in Ghana, West Africa, has generated fierce debate among Nigerian users of the social media app, and reignited the never-ending rivalry between the two countries, known colloquially as the ‘jollof wars.’Twitter’s announcement Monday that it will set up its first Africa base in Ghana, West Africa, has generated fierce debate among Nigerian users of the social media app, and reignited the never-ending rivalry between the two countries, known colloquially as the ‘jollof wars.’