I honestly think we should celebrate Columbus Day, because we are celebrating the day that an italian explorer, navigator, and colonizer discovered America
I forget his name but is was some Spanish guy
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Eli Whitney's invention made the production of cotton more profitable, and increased the concentration of slaves in the cotton-producing Deep South. This phenomenal and sudden explosion of success of the cotton industry gave slavery a new lease on life.
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mark me as brainlist♥♥♥♥
Answer:
Unrestricted submarine warfare is the practice of using submarines to attack and sink all forms of enemy shipping, whether they are military or civilian. It is most closely associated with the First World War when Germany's decision to use USW brought the US into the war and led to their defeat.
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