 Complete the following phrase:  The Suwałki Agreement, Treaty of Suvalkai, or Suwalki Treaty ,  was an agreement signed in the town of Suwałki between Poland and Lithuania on October 7, 1920. It was registered in the League of Nations Treaty Series on January 19, 1922. Both countries had re-established their independence in the aftermath of World War I and did not have well-defined borders. They waged the PolishLithuanian War over territorial disputes in the Suwałki and Vilnius Regions. At the end of September 1920, Polish forces 