 The Shia campaign has clashed with Saudi Arabian, which also funds religious centers, school, and trains students and clerics, but as part of an effort to spread its competing Wahabbi interpretation of Islam.According to Wikileaks, "Saudi cables" released in 2015 "reveal concern" about "Iran-driven Shiite expansion from Mali, Mauritania, Burkina Faso and Nigeria" to Shia Islam has taken place in Nigeria since the Iranian Revolution.Shia Muslims protest that they have been persecuted by the Nigerian government.