Which are also known as right and left, respectively.

What, did you think right and left were arbitrary? The words are arbitrary, but the meanings are not. They correlate quite strongly with the material interests of the up and down.

That makes little sense if you know some basic political science, the EU is comprised of different political interest groups just like your country is.

Unless you literally belive everyone in the EU belive the exact same thing and there's zero disagreements what do ever.