Based on the provided options and without seeing the specific map, the most reasonable conclusion might be that "Former communist countries have been left out of the European Union." This assertion often reflects the historical context of European political unions and the varying degrees of integration experienced by countries that were formerly part of the Soviet sphere.
However, if the map indicates that Lithuania, Latvia, and Estonia are members of the EU, that could imply they share certain legal frameworks.
Please specify the contents or details of the map to provide a more accurate analysis.