Correct Option: C

The European Union (EU) is an economic and political union of 27 member states which are located primarily in Europe. Its de facto capital is Brussels, the capital of Belgium. The EU operates through a system of supranational independent institutions and intergovernmental negotiated decisions by the member states. Important institutions of the EU include the European Commission, the Council of the European Union, the European Council, the Court of Justice of the European Union, and the European Central Bank. The European Parliament is elected every five years by EU citizens.