USA HISTORY

Detailed explanation-1: -The seven non-eurozone members of the EU are Bulgaria, Czech Republic, Denmark, Hungary, Poland, Romania, and Sweden. They continue to use their own national currencies, although all but Denmark are obliged to join once they meet the euro convergence criteria.

Detailed explanation-2: -In total, seven EU countries don’t use the euro: Bulgaria, Czech Republic, Denmark, Hungary, Poland, Romania, and Sweden. In these countries, visitors from the eurozone still need to exchange money before they travel.

Detailed explanation-3: -The United Kingdom continued to use the pound and rejected use of the euro while it was an EU member state. The U.K. government determined the euro did not meet five critical tests that would have been necessary to adopt its use. The United Kingdom left the European Union on Jan. 31, 2020.

Detailed explanation-4: -You can use the euro in 20 EU countries: Austria, Belgium, Croatia, Cyprus, Estonia, Finland, France, Germany, Greece, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Portugal, Slovakia, Slovenia and Spain.