Answer:
Lithuania
Slovenia
Luxembourg
Step-by-step explanation:
From the countries in the list Lithuania, Slovenia, and Luxembourg are the ones that are part of the European continent. All three are small countries, but they are in different parts of Europe, have different ethnic composition, and different cultures. Lithuania is in Eastern Europe, being part of the Baltic states. Slovenia is part of the Balkan Peninsula, and it is a Slavic nation. Luxembourg is located in Western Europe and it is one of the smallest countries in the world, having mostly Germanic population.