Major conflict that started in 1914 with the assassination of Archduke Franz Ferdinand and ended in 1918. This mostly European war was won by the Allies (Great Britain, France, Russia [until 1917, when they quit], Italy [after they switched sides], and the United States [who joined in 1917]), who defeated the Central Powers (Germany, Austria-Hungary, the Ottoman Empire and Italy, before they switched sides). The war was very destructive and deadly due to industrial technology. It concluded with the infamous Treaty of Versailles.

1.
Major conflict that started in 1914 with the assassination of Archduke Franz Ferdinand and ended in 1918. This mostly European war was won by the Allies (Great Britain, France, Russia [until 1917, when they quit], Italy [after they switched sides], and the United States [who joined in 1917]), who defeated the Central Powers (Germany, Austria-Hungary, the Ottoman Empire and Italy, before they switched sides). The war was very destructive and deadly due to industrial technology. It concluded with the infamous Treaty of Versailles.

World War I
Marshall Plan
Anthropologists
Markey Economy