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Trench warfare was only used in WWI because by the time WWII came around the corner the allied powers were higher in technology like tanks and artillery could bob those positions, making themuseless. It was a style of war used almost exclusively in WWI as the outdated tactics of the commanders was rendered useless by the advances in weaponry. The trenches would only hold back the tanks and heavy artillery because tanks at the time could not cross the big gap and the heavy artillery would fall into the trench and either the artillery would explode or rapidly fire (depending on the weapon that fell into the trench)

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16y ago

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