"Workers of the world, unite!" or more accurately translated "Proletarians of the world, unite!" is a slogan that holds meaning for laborers who were encouraged to unionize in order to use the strength of their numbers to obtain better conditions.
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Sumer or Sumeria is still thought to be the birthplace of slavery, which grew out of Sumer into Greece and other parts of ancient Mesopotamia. The Ancient East, specifically China and India, didn't adopt the practice of slavery until much later, as late as the Qin Dynasty in 221 BC.
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Have played a major role in electing our President, the first two to debate were John Fitzgerald Kennedy and Richard Milhouse Nixon
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correct me if I'm wrong but I'm pretty sure its boycott
Britain and France seizing cargo from U.S. ships.