The idea of a single, unified europe had been the dream of many for years, a dream that was finally partly realized in 1991 with the formation of the _________, which included a single currency, a central european bank, and unified social policies.
The answer that fits the blank provided is the EUROPEAN UNION. From the term itself, this is the formation of different nations in Europe which was formed in 1991 and this included a single currency, a central European bank, and unified social policies. Hope this helps.
