The name of the device is the <span>Fessenden oscillator. It was made to allow submarines to communicate through Morse code. This way they could avoid communication being intercepted.</span>
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Most of today's suburbs were farmland during the 1940s. ... Understanding why people began moving to the suburbs is important. The migration had a huge impact on U.S. energy use (suburban living encourages driving; urban living encourages walking) and schooling (suburban schools are often superior to urban schools).
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Jay's Treaty was unpopular because it really didn't resolve anything between America and Britain.
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“Diamond and gold production are now well down from their peaks, though South Africa is still number 5 in gold but remains a cornucopia of mineral riches. It is the world's largest producer of chrome, manganese, platinum, vanadium and vermiculite,” (https://en.wikipedia.org/wiki/Mining_industry_of_South_Africa).
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