What were the effects of trench warfare?

Answer 1

The war was fought slowly and the battles in one place could last for days or months, and there were many people who lost their foot from trench foot and were retired, there were also more problems with sickness from the water in the trenches.

Answer 2

Instead of falling back and regrouping/retreating; armies decided to hold their ground, by digging in. Up until the Vietnam War, armies fought for ground.

Answer 3

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