Some provisions were
Germany lost a large tract of its territory (25,000 square miles) and millions of people (7,000,000) to the allied nations. Poland was the biggest beneficiary and gained almost 20,000 square miles of land. Germany had to let go of Poland and cede several other territories to France and Belgium.
A number of German colonies were lost to Britain, France, Japan, Australia, and other allied countries.
These would cause a lot of tension between the countries