If we are talking about legacy of each culture in a general sense..? Then the greatest legacy a culture could have is a culture that doesn't fade away throughout time but instead grows and changes through history. A Culture that will be remembered because of the impact it had on the world.
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The correct answer is letter A. Barley and wheat were both civilizations' main crops. These produce were the main source of food and trade for both civilizations which paved the way for its vast development and major influences in agriculture to the incoming generations.
Generally speaking, a government may be able to reduce the international value of its currency by "<span>b. selling its currency in the foreign exchange market," since this "floods" the market with the currency in question, thus making it less desirable for investors. </span>