Answer:
It helped break the stalemate of trench warfare.
Explanation:
- The innovation of tanks can be believed to have allowed the army to have remote trenches that could move to places.
- The tanks had a rugged build and also bore the ability to fire shells at the enemy and open gunfire at the same time.
- Having tanks enabled the armed soldiers to move closer to the enemy without having to worry much about the firing from the other side.