Answer:
-a.k.a European Economic Community (EEC)
-created by 6 western European nations in 1957 (France, Italy, West Germany, Netherlands, Belgium Luxembourg) when they signed the Treaty of Rome
-part of a larger search for European unity
-countries would work together & would have free trade w/ no tariffs & would integrate their economies
-guaranteed peace because countries that are dependent on each other won't fight each other
-created solid base for economic growth - encouraged trade, promoted global exports, helped build shared resources for modernization of national industries
-England wasn't a part of it because they didn't like it