The answer is steamboats! The first steamboat came year 1807 and was invented by John Fitch:)
Longitude is the angular distance of a place east or west of the Greenwich meridian, or west of the standard meridian of a celestial object, usually expressed in degrees and minutes.
The Polynesians developed the fine art of navigation by stars, inherited from the early arab navigators. Arabians used hand measures to measure the height of the star above the horizon to determine their latitude according to the angle determined.
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its the world's longest unfortified border :))
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lol chad its probably A if i can see your question ill be able to answer but ofcourse hope this helps?
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