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Glenn45
Two of the major innovations that helped jazz spread to remote corners in the U.S. are the increase in popularity of the phonograph or record and the distribution of the music via radio waves. Of course, precursors to these events gaining popularity, was the mobilization of the jazz community from New Orleans to other urban centers like New York and Chicago. And around the time, the distribution of a more suitable in-home piano, was also helping to increase the amount that jazz could be heard. 
SeoJoon15

The two inventions that helped Jazz reach even remote locations in the United States are the following;

·         Radio altimeter – this is an electronic device that is airborne in which has the capability of measuring the height in terms of the aircraft that is above the terrain

·         Earth conductor compass – this is a compass used of having to determine direction with the use of electromagnetic induction

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