Ambulances, new techniques, and more advanced care fro wounded soldiers.
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C) renaissance art featured human beings in their natural environment
Trade flourished under the Abbasids at first because they moved the capital of the Muslim empire to the newly created city of Baghdad in central Iraq. The city was located on key trade routes that gave the caliph access to trade gold, good, and information about.
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Old World cartographers, however, created maps without modern technology. Imagine mapping coastlines and inland rivers without a