the treaty of versailles
the league of nations .
sorry i should have mentioned that.
The changes that I found to the Versailles Treaty were that Germany's debt was forgiven and the League of Nations didn't meet all of the Treaty's expectations.
http://simple.wikipedia.org/wiki/Treaty_of_Versailles
http://law.jrank.org/pages/10894/Treaty-Versailles.html
http://www.spartacus.schoolnet.co.uk/FWWleague.htm