In Africa, a number of specialized occupations developed ,highly skilled metal smiths developed more effcient tool that increase agricultral produtivity. they also produce improved weapons ,which became important in the expansion of kingdoms.
I would say B.
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The answer is b ...............
I think the correct answer from the choices listed above is option D. The turning point in Greek history was the Alexander Period. <span>Alexander the Great served as king of Macedonia from 336 to 323 B.C. During his time of leadership, he united Greece, reestablished the Corinthian League and conquered the Persian Empire.</span>