One moment, please viagra thailand 2009 In some cases the commonalities of the economic community are not easy to distinguish. For instance, COMESA runs from Egypt to Zimbabwe and Zambia, essentially covering half of the continent. CEMAC is entirely of central African Francophone countries, and ECOWAS is a mix of Anglophone and Francophone countries. SADC is controlled by the sheer scale of the economy of South Africa, and Nigeria is the behemoth of West Africa. Kenya and Egypt are the two strongest economies of COMESA, but Egypt, even before the most recent internal strife, had an identity crisis, often arguing that it was African, while remaining firmly in Middle Eastern politics.