The document provides background information on World War I casualties and the signing of the Treaty of Versailles in 1919. It notes that World War I left Europe devastated with over 9.5 million deaths total and vast areas of northeastern Europe reduced to rubble. The "Big Three" politicians - Lloyd George, Clemenceau, and Wilson - negotiated the treaty with Germany at Versailles. It was aimed at keeping Germany weak but left many Germans feeling unfairly punished, fueling future tensions in Europe.