(ANSA) - Rome, February 1 - Premier Matteo Renzi on Monday explained his mission to Nigeria, Ghana and Senegal by saying in his e-news that "We are investing in Africa because we think it is our duty because of our geographical and geopolitical position". "He said that "if we want to fight poverty, uproot terrorism, and affirm shared values, Africa is our priority today". "And after years of absence, Italy must be there".