> If Munich and Berlin can be in the same country, why can't Zagreb and Belgrade? Munich is more similar to Vienna than it is to Berlin. And yet Munich and Vie

> If Munich and Berlin can be in the same country, why can't Zagreb and Belgrade? Munich is more similar to Vienna than it is to Berlin. And yet Munich and Vienna should definitely not be in the same country, because people who argue like this, also tend to argue that Kaliningrad under its former name was pretty similar to Berlin after all.