Conversation so far:
what type of war caused a stalemate on the western front
The First World War is often perceived as a war of attrition, marked by stalemates in the trenches and strategic deadlock.
can you tell me more about the military strategy known as attrition warfare
Attrition warfare is a military strategy consisting of belligerent attempts to win by wearing down the enemy to the point of collapse through continuous losses in personnel and materiel.
can you give me the etymology of war of attrition
The word attrition comes from the Latin root atterere to rub against, similar to the grinding down of the opponent's forces in attrition warfare.
who wins in a war of attrition
A war of attrition will usually be won by the side with greater such resources.

Question: what happens if both sides are equal
Self-contained rewrite: what happens if both sides are equal in a war of attrition