The Eurozone was created to make trades easier among Eurozone members and to give Eurozone nations an advantage while trading with other countries.
The official currency of Eurozone is the Euro.
There are 19 countries in the eurozone that have adopted the euro as their official currency.
Belgium belongs to the eurozone. Scroll down to related links and look at "Eurozone - Wikipedia".
Yes.
Unknown
Capitalism
Euro zone
Germany.
Yes it is since January 2008
Three EU member states have exceptions (that is, states not obligated to join the Zone), including Sweden
The Eurozone
To join the Eurozone, their economies need to meet certain criteria, so not all countries are in the Eurozone.