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Nigeria from WikiPedia:

Like in many other African societies, prebendalism and extremely excessive corruption continue to constitute major challenges to Nigeria, as vote rigging and other means of coercion are practised by all major parties in order to remain competitive. In 1983, it was adjudged by the policy institute at Kuru that only the 1959 and 1979 elections witnessed minimal rigging.

There are four distinct systems of law in Nigeria:

• English law which is derived from its colonial past with Britain;
• Common law, a development of its post colonial independence;
• Customary law which is derived from indigenous traditional norms and practice, including the dispute resolution meetings of pre-colonial Yorubaland secret societies;
• Sharia law, used only in the predominantly Muslim north of the country. It is an Islamic legal system which had been used long before the colonial administration in Nigeria but recently politicised and spearheaded in Zamfara in late 1999 and eleven other states followed suit. These states are Kano, Katsina, Niger, Bauchi, Borno, Kaduna, Gombe, Sokoto, Jigawa, Yobe, and Kebbi.

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