The European union made which consisted of 15 countries at that time. This was to join them economically making wars between them unlikely. There are now 27 member countries to the EU. Note that the EU is western Europe so it is not made up of all of Europe.
rome and china
Western Europe.There are 24 countries in Western Europe. Currently, 2/3 (or 16) of them are members of the European Union.The countries that are members are:AustriaBelgiumDenmarkFinlandFranceGermanyGreeceIrelandItalyLuxembourgMaltaNetherlandsPortugalSpainSwedenUnited KingdomThe countries that are not members are:AndorraIceland*LiechtensteinMonacoNorwaySan MarinoSwitzerlandVatican CityThere are 27 countries in Eastern Europe. Currently, about 40% (or 11) of them are members of the European Union.The countries that are members are:BulgariaCyprusCzech RepublicEstoniaHungaryLatviaLithuaniaPolandRomaniaSlovakiaSloveniaThe countries that are not members are:Albania***ArmeniaAzerbaijanBelarusBosnia and Herzegovina****Croatia**GeorgiaKazakhstanKosovo****Macedonia*MoldovaMontenegro*RussiaSerbia*Turkey*Ukraine* - these countries are currently candidates for joining the EU and will most likely join within the next few years.** - Croatia has been granted admission to the EU and will join the EU in July 2013.*** - Albania sent in their application and once it is reviewed and accepted, will become a candidate.**** - Bosnia and Herzegovina and Kosovo are both countries that the EU want to apply for membership and will most likely do so soon.
There's a queue: *Croatia *Serbia *Albania *Macedonia *Turkey *Bosnia and head of the queue to leave is the U.K
it hasn't joined yet
As of the 1st of January 2014, 18 of the European Union's 28 countries use the euro.
Romania and Bulgaria. They both joined in 2007.
Cyprus and Malta.
Insofar as this contributor knows, Japan was the last major country to commit, but there may have been some smaller countries which waited longer to join in the fight.
The Germans invaded several countries.
the last one was brooke
Hawaii and Alaska