Original sentence: According to its Court of Justice, the EU represents "a new legal order of international law".As the Court of Justice said, the EU is "not merely an economic union" but is intended to "ensure social progress and seek the constant improvement of the living and working conditions of their peoples".Citizens are able to vote directly in elections to the Parliament, while their national governments operate on behalf of them in the Council of the European Union and the European Council.European Union law is the system of laws operating within the member states of the European Union.New states may join the EU, if they agree to operate by the rules of the organisation, and existing members may leave according to their "own constitutional requirements".The Commission is the executive branch.The Council of the European Union represents member state governments, while the Court of Justice is meant to uphold the rule of law and human rights.The EU has political institutions and social and economic policies
Edited sentence: According to its Court of Justice the EU represents "a new legal order of international law".As the Court of Justice has said, the EU is "not merely an economic union" but is intended to "ensure social progress and seek the constant improvement of the living and working conditions of their peoples".European Union law is a system of rules operating within the member states of the European Union.New members may join, if they agree to play by the rules of the organisation, and existing members may leave according to their "own constitutional requirements".People are entitled to participate through the Parliament, and their national governments in shaping the legislation the EU makes.Since the founding of the Coal and Steel Community after World War II, the EU has developed the aim to "promote peace, its values and the well-being of its peoples".The Commission has the initiative for legislation, the Council of the European Union represents member state governments, the Parliament is elected by European citizens, while the Court of Justice is meant to uphold the rule of law and human rights.The EU has political institutions, social and economic policies, which transcend nation states for the purpose of cooperation and human development