Answer :
During World War I, the second phase in battles that crossed enemy lines and approached trenches was infantry attack.
- The war was fought in trenches on the front line.
- These trenches were long with narrow channels dug into the ground.
- Infantry attacks killed many from afar.
- Infantry soldiers remained in trenches during the war, and when got ordered, they climbed out of the trenches and moved towards the enemy to attack.
- Infantry attacks happened on no man's land, the area between opposing forces.
Therefore we can conclude that during World War I, battles that occurred in enemy lines were infantry attacks.
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