Question

Why did some countries not join the european union?

Answer 1

They have the thing with neutrality. They even joined UN in 2002 after a referendum; previous referendumin the 80s failed. They also had a referendum to join the EU at the beginning of the 90s but failed by a small margin.
They had two referendums, one in the 70s and one in the 90s to join; both of them failed even though the government was supporting