The Answer Would be A. They Also learned working with bronze , building ships also use the sun and stars for navigation at sea of religious practices.
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Each country had a different economic system (capitalism in the USA and communism in the SU), which caused competition.
This competition led to military competition and a nuclear arms race, which was called the Cold War. The nuclear arms race became the greatest point of tension.
Answer:For example why hunter-gatherers first began farming, and how were crops domesticated to depend on people. ... Instead, any changes in vegetable seed size must have arisen from natural selection acting on these crops in cultivated fields, or from genetic links to changes in another characteristic like plant or organ size.
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True. He did bring a sense of fairness to his people in order to establish his society.