Boko Haram insurgency insurgency spread to neighboring Cameroon, Chad, and Niger thus becoming a major regional conflict. In 2015, a coalition offensive forced Boko Haram to retreat into the Sambisa Forest. The insurgency took place within the context of long-standing issues of religious violence between Nigeria's Muslim and Christian communities. Boko Haram has been called the world's deadliest terrorist group, in terms of the number of people it has killed. Nigeria was amalgamated both the Northern and Southern protectorate in 1914, only about a decade after the defeat of the Sokoto Caliphate and other Islamic states by the British which were to constitute
Herem (censure) Herem (censure) Herem (, also Romanized "chērem, ḥērem") is the highest ecclesiastical censure in the Jewish community. It is the total exclusion of a person from the Jewish community. It is a form of shunning and is similar to "vitandus" "excommunication" in the Catholic Church. Cognate terms in other Semitic languages include the Arabic terms "ḥarām" "forbidden, taboo, off-limits, or immoral" and haram "set apart, sanctuary", and the Ge'ez word "ʿirm" "accursed". Arguably the most famous case of a herem is that of Baruch Spinoza, the seventeenth century philosopher. Other famous subjects of a herem were early Russian communists Leon