Answer:
The key characteristic that is featured in African rock paintings but is not present in European and Australian rock paintings is shading. Polychrome shading is very common in rock painting.
Your answer would be: The Abbasids
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The Jewish population represented a detrimental part to society. See, the Jews were blamed for the loss of World War 1. Germany was severely embarrassed about all the land in Africa they had to give back and money they had to give. The Jews were a marker to starving and angered Nazi and German population.
