The gatling gun was an early machine gun. It helped th union.
Who were all the important people during the Civil War?
cotton gin
laptop portability is the most important invention
Kentucky
Maryland
the most important invention was the plow
The Gatlin...it can reduce the population in India and China very effectively.
In the US, the most important document issued during the Civil War was the Emancipation Proclamation.
While GPS is helpful it is not the most important invention of all time. Some would say computers are the most important invention of all time. However what powers both of these things? Electricity seems to be the most important invention of all time.
The most important invention in world war 2 was the atomic bomb.
The answer is arguable. I say that politically, Gettysburg was the most important battle. Strategically, Vicksburg was the most important.
The most important invention during the Industrial Revolution is the steam engine. Also the telegraph was a really important tool which was invented during the Industrial Revolution.