The history of the European Union -- Law-making in the European Union -- Litigating European Union law -- Free movement of goods, services, capital and people -- European Union business law -- EU international trade and foreign investment law -- Business competition (antitrust) law -- BREXIT and beyond -- Appendix 1. The Treaty on European Union -- Appendix 2. The Treaty on the Functioning of the European Union -- Appendix 3. Charter of Fundamental Rights of the European Union -- Appendix 4. Summary of EU-UK Trade and Cooperation Agreement (2021)