Staff (January 3, 2003). "Analysis: Nigeria's Sharia Split". BBC News. Retrieved September 19, 2011. "Thousands of people have been killed in fighting between Christians and Muslims following the introduction of sharia punishments in northern Nigerian states over the past three years".
Library of Congress Country Studies: Sudan:. "The factors that provoked the military coup, primarily the closely intertwined issues of Islamic law and of the civil war in the south, remained unresolved in 1991. The September 1983 implementation of the sharia throughout the country had been controversial and provoked widespread resistance in the predominantly non-Muslim south. ...Opposition to the sharia, especially to the application of hudud (sing., hadd), or Islamic penalties, such as the public amputation of hands for theft, was not confined to the south and had been a principal factor leading to the popular uprising of April 1985 that overthrew the government of Jaafar an Nimeiri."
"En la historia, los sistemas legales casi siempre han estado basados en la religión: las decisioens sobre que está permitido por la ley entre los hombres se tomaban haciendo referencia a la divinidad. A diferencia de otras grandes religiones, el cristianismo nunca ha propuesto una ley revelada al Estado o la Sociedad, es decir un sistema jurídico derivado de la revelación. En cambio, ha apuntado a la naturaleza y a la razón como las verdaderas fuentes del derecho" («Address of His Holiness Pope Benedict XVI to the Reichstag». Consultado el 16 de diciembre de 2019.).
