How did progress on one front (eastern/western) affect the other?

The war progress on the Western front developed into a trench warfare while trenches were not developed in the eastern front so it was a disadvantage for the soldiers on the eastern front.

Explanation:

Trench Warfare is a type of land warfare which use the fighting lines which comprise of the military trenches. This helps to protect the soldiers from the small arms fire of the enemies and acts like a substantial shelter for the soldiers.

There was development of the trench warfare in the western front during the time of world war 1. This helped to protect the armies who were fighting from that side. But there was no development of the trench warfare in the eastern front making it a huge disadvantage for the soldiers of the eastern front.

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