<span>The first four civilizations arose in river valleys that made irrigation, and, hence,</span><span> ...</span><span>Bands of hunter gatherers, significant equality between sexes</span><span> ... </span><span>The Neolithic Revolution</span><span> ... </span><span>Agriculture freed up labor, metal-working one such result</span><span> ..... </span><span>The narrower view suggests that the chief difference between civilizations and other
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Http://www.dummies.com/education/history/american-history/american-preparation-for-world-war-ii/
You're welcome xP
the judicial branch hope this helps
