What organizations were forerunners of the EU?

The ECSC was established by the Treaty of Paris in 1951. It was the first of the three European Communities that would eventually form the European Union. The ECSC was created to pool the coal and steel resources of France, Germany, Italy, Belgium, the Netherlands, and Luxembourg. The goal was to prevent future wars between these countries by making them economically interdependent. The ECSC was also intended to promote economic growth and prosperity in Europe.

European Economic Community (EEC)

The EEC was established by the Treaty of Rome in 1957. It was the second of the three European Communities. The EEC created a common market for goods, services, and capital between its member states. It also established a common agricultural policy and a common external tariff. The EEC was intended to further promote economic growth and integration in Europe.

European Atomic Energy Community (Euratom)

Euratom was established by the Treaty of Rome in 1957. It was the third of the three European Communities. Euratom was created to promote the development of nuclear energy in Europe. It also provided for cooperation between member states on nuclear safety and research.