Trench warfare is a type of fighting where both sides dig deep trenches in the ground as a defence against the enemy. The World War 1 trenches could stretch many miles and made it almost impossible for one side to advance on the other.
The Western Front in World War 1, located in France, was fought using trench warfare. WW1 started on 28 June 1914, and by the end of 1914 both sides had built trenches that went from the North Sea and through Belgium and France. Neither side made much ground for nearly three and a half years – from October 1914 to March of 1918.
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