Based on the provided responses, the most appropriate conclusion from the map would likely be that "People and goods can move freely between Bulgaria and Ireland." This implies that both countries may be part of the European Union, which allows for freedom of movement within its member states.
The other statements either contain inaccuracies or are overly broad. For instance, many former communist countries, including several in Eastern Europe, are now EU members. Similarly, stating that Portugal and Spain are no longer independent is incorrect, as both countries are fully sovereign nations. Lastly, while Lithuania, Latvia, and Estonia may share some legal similarities, whether they share a "common legal system" would require more specific context.
Thus, the most logically supported conclusion is regarding the free movement of people and goods within the EU context.