Beginning of Essay
The failure of the Europeans to learn from the American Civil War led them to fight the same kind of war in World War I. The armies of Europe and the United States fought for four years only to end in a stalemate. Nothing was settled despite massive loss of life. ....

Middle of Essay
.... enlarged to 2,600,000 and in 1918 the American Army in France numbered 1,200,000. It was the addition of troops from the United States that made it possible to defeat German forces numbering about 2.5 million. Army organization for all the belligerents remained the same as it had been throughout the 19th century. They all had similar infantry and cavalry divisions, artillery brigades, engineering companies, supply units, and medical units. The advances in technology that had been made since the American Civil War were not sufficient to tip the balance either way. Both sides made use of airplanes, tanks, radio, machine guns, and other invention ....