Is it the schengen agreement
The Benelux union, which consists of Belgium, the Netherlands, and Luxembourg, was formally established on January 1, 1948. It aimed to promote economic cooperation and facilitate trade among the three countries. The name "Benelux" is derived from the first letters of each country's name. The agreement laid the groundwork for further European integration, eventually contributing to the formation of the European Union.
In 1951 the ''European Coal & Steel Community'' was established with six founder country. In 1957, two more communities were established - the ''European Economic Communitiy'' (EEC) and ''European Atomic Energy Community'' (EURATOM). In 1967 with Merger Treaty, created a single set of institions for the three communities, which was the former name of the European Union : '' European Community ''.
European Economic Community.
The European Union.
The European Union
The name of the United European Nations is called: The European Union (EU)
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The Warsaw Pact was the name of the alliance established by European communist nations in response to NATO.
the European Union or EU
It stands for the European Economic Community. It is the original name for what is now called the European Union.
European Union
The Soviet Union