The conventions came into being after 1830 are:Colored conventions- which are series of convention held in national and regional level after the american civil war. it was attended by politician, businessman, religious leaders, writers and publishers.
Virginia Constitutional Convention
National Negro Convention Movement
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i would invent a new piece of technology.
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B John pemberton and coca cola hope this helps :)
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Indus civilization, also called Indus valley civilization or Harappan civilization, the earliest known urban culture of the Indian subcontinent.
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