Berber languages suggests that the C-Group population — which, along with the Kerma culture, inhabited the Nile valley immediately before the arrival of the first Nubian speakers — spoke Afro-Asiatic languages. Roger Blench (2018) suggests that Proto-Berber speakers had spread from the Nile River valley to North Africa 4,000-5,000 years ago due to the spread of pastoralism, and experienced intense language leveling about 2,000 years ago as the Roman Empire was expanding in North Africa. Hence, although Berber had split off from Afroasiatic several thousand years ago, Proto-Berber itself can only be reconstructed to a period as late as 200 A.D. Blench
Berber Latin alphabet used: There has been a long and fierce debate on whether to use the Latin alphabet, the Tifinagh alphabet, or the Arabic alphabet, as the official alphabet for Berber in Algeria and Morocco, between Berber activists and the anti-Berber establishments, mainly those with Arab-Islamic agendas or orientations. The Berber activists overwhelmingly favor the use of the Latin alphabet in order to ensure a quick development and proliferation of the Berber language (Tamazight) in schools, in public institutions, and on the internet. A small number of them prefer the neo-Tifinagh alphabet. The states of Morocco and Algeria usually distance themselves from