Maastricht Treaty led to the creation of which one of the following ?

The Maastricht Treaty (signed in February 1992 and effective in November 1993), formally known as the Treaty on European Union, directly created the European Union based on the three pillars of the European Communities, Common Foreign and Security Policy, and Justice and Home Affairs. The European Parliament and European Court of Justice had already been established decades earlier under the 1951/1957 treaties.