How trench warfare and stalemate came about

The devastating firepower of modern weapons helped create the trench stalemate on the Western Front during the First World War. Armies were forced to adapt their tactics and pursue new technologies as a way of breaking the deadlock.

Explanation:

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the answer is the government.

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.