Question

Given that the world was at war, how were the central powers defeated?​

Answer 1

One of reasons the Central Powers were defeated was the entrance of the US forces into the war brought vast new resources to the allied forces. This also meant that the Allied forces were able to produce more war materials than the Central Powers, which proved to be decisive.

Explanation:

Answer 2

By Allies Force as a result of initial failure of the schlieffen plan and subsequent entranched war of attrition.