No new country joined the EU in 1999.
Yes, it is. Romania entered EU in 2007 and since then Transylvania is part of EU.
1995.
If you are EU citizen from one country to another EU country, you pay tax, which vary from one EU country to another.
No. free movement of labour across EU borders is a fundamental right in the EU.
No, because Andorra is not in the EU. The smallest country in the EU is Malta.
Cyprus
Mallorca is part of Spain, wich is in the EU.
The EU is not a country. It is an organisation. It has 28 independent countries as members.
There is no country called Sami in the EU
Yes, but America entered. America almost invaded EU with American policy.
Germany?
How does UK benefit for being in the EU? Participate in the EU economy (same currency) Free trade in the EU. (but there are other trade blocks) Free borders with EU countries inherit some laws from EU ( can be added to UK) make treaties for complete EU at one point, rather than individually country to country.