The answer would be b that's the best one
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Historians use things such as primary soursces like fossials, Artifacts and documentary evidence. Evidence that a historian uses to study is the written record. Historians use data collected by governments to study what the world was like in regards to numbers and records.
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An example of a delegated power is the power to make marriage laws
Answer: Slaves from West Africa were generally sold in African and European countries, while slaves from East Africa were generally sold in Persia and Mesopotamia. neither system of trade involved shipping slaves to the Americas.
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