X-rays were were discovered by accident in 1895when Rontgen was working with cathode ray waves.
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the Royal Proclamation of 1763
After Britain won the Seven Years' War and gained land in North America, it issued the Royal Proclamation of 1763, which prohibited American colonists from settling west of Appalachia.
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The law showed that the middle colonies were more tolerant to different religions than the Puritans of New England. There was no religion tolerance in the New England colonies for a long time
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