To bring back peace and stability to Europe.
Remember, this is your own opinion. But 2 or 3 is probably a good answer.
1. Full disarming. Germany basically agreed to have no standing army whatsoever.
2. Germany lost over half of it's territory in the treaty.
3. Germany had to pay A LOT of money in damages + interest.
I can not get into the attachment can you give me an idea of what it's for?