Improve the highlighted part of the sentence. Choose "No improvement' as an answer if the sentence is grammatically correct.
Drive two blocks and turn right at the traffic lights. Rev

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During the time period of ancient history, starting roughly from 3000 BC, the world population was already (fastly) increasing due to the Neolithic Revolution.

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When the boy was asked about his report, he created (an usual) story about aliens stealing his work.

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The Babylonians took advantage of the (enough) of clay in Mesopotamia to create bricks.

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Nine men's morris is a strategy board game for two players (dated) at least to the Roman Empire.