The first regular air mail route in the United States was established on 15 May 1918 between New York City and Washington D. C. And was 218 miles long. This service was the the exclusive responsibility of the Post Office until 12 August 1918 when the United States War Department joined the Post Office to furnish the planes and pilots.
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How did the location of islamic lands make cultural diffusion possible
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How did inca develop their road system? a) they used mortar to hold the stones together. b) they built suspension bridges over rivers. c) they mixed copper and stone together to make the blocks. d) they laid roads in the cities, not in the less densely populated deserts.
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The first regular air mail route in the United States was established on 15 May 1918 between New Yor...
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