The war guilt clause
Explanation:
1. Open diplomacy without secret treaties
2. Economic free trade on the seas during war and peace
3. Equal trade conditions
4. Decrease armaments among all nations
5. Adjust colonial claims
6. Evacuation of all Central Powers from Russia and allow it to define its own independence
7. Belgium to be evacuated and restored
8. Return of Alsace-Lorraine region and all French territories
9. Readjust Italian borders
10. Austria-Hungary to be provided an opportunity for self-determination
11. Redraw the borders of the Balkan region creating Roumania, Serbia and Montenegro
12. Creation of a Turkish state with guaranteed free trade in the Dardanelles
13. Creation of an independent Polish state
14. Creation of the League of Nations