How did the military innovation shown in this photograph affect the course of world war 1

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.

C.east asiais the answer.