Arab-Berber of the Arab conquest of North Africa, and the intermarriage between the Arabian and Persian people who immigrated to those regions and local mainly Roman Africans and other Berber people; in addition, Banu Hilal and Sulaym Arab tribes originating in the Arabian Peninsula invaded the region and intermarried with the local rural mainly Berber populations, and were a major factor in the linguistic, cultural and ethnic Arabization of the Maghreb. Alongside Berber speakers, arabized Berbers form the core of the native populations of the Maghreb, namely Algeria, Libya, Morocco and Tunisia. Arab-Berbers primarily speak variants of Maghrebi Arabic, also known
Berber separatism in North Africa few of the demands of the Berber Spring have been met by the state, and the Berber language is now a national language of Algeria. However, this is still distinct from Arabic, which remains the official language, and many other points of contention remain. In 2014 and 2015 a number of ethnic riot incidents plagued Algeria, with a dozen mortal casualties in violence between ethnic Arabs and Berbers. In February 2017, protests erupted in Algeria, with some 500 protesters marching. The protest was organized by human rights groups, some trade unionists and a small opposition party. Algeria's main opposition forces