In conclusion, there were many reasons that affected the First World War. As the US got involved in the war, it made the war finish earlier; as in Russian Revolution made completely different society, Soviet Union that would be the rival of the great powers; since in this time they were friendly with the great powers. This war was a total war and consumption war that made the new style of war; of this war did not happen they would not be landmines, machine guns, airplanes, submarines and gases used. But this war was a disaster; not only on the battlefield, but it made shortage and lack of labor. This oppressed the standard of the citizen's daily life. In every war there was advantage and disadvantage; but there should have been another way of fighting by gaining more land. I could understand that they want to show power so that if that country wins that proves that you are the strongest; and, that means that they can take over the land. But the problem is not only the power they should respect the weak country's right of inhabiting there.…