<span>An unintended result of Nixon’s revenue-sharing legislation was to the increased power of the federal government over the states. The main purpose of Richard Nixon’s revenue sharing is to give the local government and the state additional control over the expenditures of the federal dollars.</span>
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You could talk about it's past and/or it's ancient civilizations. You could also possibly compare it's old civilization to it's current one, talk about the changes.
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"No one knew for sure how to get to the moon, how to land, or get home."
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No, Greece was not a unified kingdom.