On this subject, Konrad Adenauer said: “The common market must not be regarded first and foremost as an economic treaty, but as a political instrument [...] that aims to reach a politically integrated Europe by means of mutual economy.”[1] The common market was to be based on the free movement of goods, persons, services, and capital.
To the students, my advice to you is to continue asking questions. Be inquisitive and further your learning whenever possible. Your teachers play a key role in giving you the necessary guidance to help you develop your financial literacy but it is up to you to make the most of your opportunities.