Shum Laka is a site that was important to the diffusion of the people who were from what continent?
Shum Laka The archaeological site of Shum Laka is the most prominent rockshelter site in the Grasslands region of the Laka Valley, northwest Cameroon. Occupations at this rockshelter date to the Later Stone Age. This region is important to investigations of the development and subsequent diffusion of the Bantu culture. The site of Shum Laka is located approximately 15 kilometers from the town of Bamenda, and it resides on the inner wall of the Bafochu Mbu caldera. The deposits at Shum Laka include each phase of cultural development in the Grasslands.
Abba Arika Abba Arikha (175–247) (Talmudic Aramaic: אבא אריכא ; born: "Abba bar Aybo", Hebrew: רב אבא בר איבו) was a Jewish Talmudist who was born and lived in Kafri, Sassanid Babylonia, known as an amora (commentator on the Oral Law) of the 3rd century who established at Sura the systematic study of the rabbinic traditions, which, using the "Mishnah" as text, led to the compilation of the "Talmud". With him began the long period of ascendancy of the great academies of Babylonia , around the year 220. He is commonly known simply as Rav (or Rab, Hebrew: רב ).