History of Warfare Summary 9 - World War I 20 Results and Historical Impact of World War I

World War I ended with Germany's armistice in 1918. For about four years, battles took place primarily in Europe and various regions around the world, claiming the lives of countless soldiers and civilians. During the war, machine guns, heavy artillery, tanks, aircraft, submarines, and chemical weapons were used, showcasing the characteristics of modern industrial warfare. After the war, the imperial orders of Germany, Austria-Hungary, the Ottoman Empire, and Russia collapsed, leading to the emergence of new nations. A new international order was established centered around the Treaty of Versailles and the League of Nations, but issues such as Germany's reparations, territorial disputes, and ethnic conflicts were not fully resolved. The Russian Revolution introduced new ideological confrontations into global politics, and the United States further expanded its economic and diplomatic influence in the international community. It also impacted nationalist movements in Asia, the Middle East, and Africa. World War I dismantled the 19th-century European-centric international order and shaped the new international political order of the 20th century, leading to World War II.