People's Democratic Party (Nigeria) to five years in prison. The party is a moderate advocate of state-autonomy and religious freedom for the Nigerian provinces. In the year 2000 the introduction of Islamic law in some states in Northern Nigeria triggered sectarian violence in Kaduna and Abia states. The PDP-led federal government refused to bow to pressure from the southern, predominantly Christian states to repeal the law, and instead opted for a compromise where Islamic law would only apply to Muslims. In the 2015 elections, the incumbent president and PDP presidential nominee, Goodluck Jonathan, was defeated by General Muhammadu Buhari of the All Progressives Congress
President of Nigeria group of northern army officers revolted against the government, killed General Johnson Aguiyi-Ironsi, and appointed the army chief of staff, General Yakubu Gowon as the head of the new military government. In 1975, General Yakubu Gowon was deposed and General Murtala Mohammed was the Head of the Federal Military Government of Nigeria until his assassination in 1976. In 1976, General Olusegun Obasanjo was made head of state in a meeting of the Supreme Military Council, keeping the chain of command established by Murtala Muhammed in place. In 1979, Nigeria adopted a federal presidential constitution, with provision for an executive President