I believe it cause more casualties and it had less trench warfare. the Eastern front shifted over more area then the Westward front which was less trench welfare and more casualties. massive casualties less Reliance on trenches for protection Millions dead
It grew exponentially in this period because in the aftermath of the second world war, there was a baby boom as a result of numerous young couples created by high amounts of returning soldiers.
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The industrial revolution was the force behind this New Imperialism, as it created not only the need for Europe to expand, but the power to successfully take and profitably maintain so many colonies overseas. The industrial revolution created the need for Europe to take over colonies around the world
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