Can we please see the choices, without them i won't be able to help you
So the Great War (World War One) was a war that started in 1914 and finish on November 11, 1918. It lasted for four years.
Now the start of the war:
began in 1914 after the assassination of Archduke Franz Ferdinand of Austria. His murder catapulted into a war across Europe
The U.S. didn't go into war for about 2 and an a half years, During the conflict, Germany, Austria-Hungary, Bulgaria and the Ottoman Empire (the Central Powers) fought against Great Britain, France, Russia, Italy, Romania, Japan and the United States (the Allied Powers).
By the time the war was over and the Allied Powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.
It would be 27/36 plus 20/36 so it equals 47/36 pounds, simplify and it is 1 pound and 11/36.
The North had double the railroads per square mile compared to the South, and they had a tremendous industrial advantage over the South as well during the Civil War.