Multiple choice general knowledge science & technology Oder- Nisse line Germany and Poland during1st world war France and Germany during 1st world war Germany and poland during 2nd world war France and Germany during 2nd world war Reveal answer Fill a bubble to check yourself C Correct answer Explanation The Oder-Neisse line is the border between Germany and Poland that was established after World War II. It runs along the Oder and Neisse rivers, marking the territorial changes that resulted from the Potsdam Conference in 1945.