 Other Christian groups with smaller followings include the Africa Inland Church, Armenian (Apostolic) Church, Sudan Church of Christ, Sudan Interior Church, Jehovah's Witnesses, Sudan Pentecostal Church, Sudan Evangelical Presbyterian Church (in the north), Presbyterian Church of the Sudan (in the south), and the Seventh-day Adventist Church of Sudan.Religion plays a prominent role in a complex system of political alliances.Northern Muslims have dominated the political and economic system since independence in 1956.