Recent Archeological and Anthropological Discoveries Have Shown That

Recent archeological and anthropological discoveries have shown that

A) Africans took over the Arabian Peninsula before 1,000 B.C.E.
B) African societies were much more involved in worldwide developments of human history than had previously been believed.
C) the process of state-building was more advanced in sub-Sahara Africa than it was in ancient India, China and Mesopotamia.
D) farming and kingship were concepts brought into Africa from Mesopotamia.
E) Africa was totally isolated from the rest of the world until the tenth century C.E.