The European Union or the EU is a group of 28 nations that works as a cohesive economic and political square. Nineteen of the nations use the euro as their default currency.
The European Union became out of a craving to frame a solitary European political substance to end the time of fighting among European nations that finished with World War II and crushed a great part of the mainland.
The European Single Market was set up by 12 nations in 1993 to guarantee the supposed four opportunities: the movement of goods, services, people, and money.
The European Union's Gross Domestic Product totaled $17.1 trillion in the year 2017, which was $2.9 trillion less than the United States' $20 trillion GDP, as per figures accessible from the World Bank.
Prior to EU the European Coal and Steel Community, was established in 1950 and had only six members countries: Belgium, France, Germany, Italy, Luxembourg, and the Netherlands.
It turned into the European Economic Community in the year 1957 under the Treaty of Rome and, in this way, turned into the European Community (EC).
The early focal point of the EC was a typical agricultural strategy just as the disposal of customs hindrances.
The Maastricht Treaty produced results on November 1, 1993, and the European Union supplanted the European Community. The treaty made the euro, which was planned as the single currency for the European Union.