Vox presents “40 maps that explain World War I”:
The Great War killed 10 million people, redrew the map of Europe, and marked the rise of the United States as a global power. Here are 40 maps that explain the conflict — why it started, how the Allies won, and why the world has never been the same.
Hat-tip to Josef Verbanac, Montana State University. See more maps in our Great War Timeline.