ANSWER: Paying war reparations, accepting blame for the war, giving up land and population, giving up colonies and armies.
The treaty of Versailles, signed on 28 June 1919, as the treaty that put an end to the WWI, is also characterized for being excessively harsh on the defeated Germany. No part of the treaty left Germany in an equality place in relation with the other countries that participated in the war. In fact, they signed the treaty because they didn't have any other choice but to do so.
By the time the war ended, German economy was too week, and the resolutions of the treaty signified a burden for its economy, leading it to a near-collapse.
