This assignment provides an extensive review of European Union law, covering various cases and secondary sources. It includes a list of relevant EU cases, such as Costa v ENEL and C-166/73 Rheinmühlen-Düsseldorf v Einfuhr- und Vorratsstelle für Getreide und Futtermittel. The assignment also references notable books like European Union Law: Cases and Materials by Chalmers, Davies, and Monti, as well as journal articles and websites for further study. A detailed summary of the provided content is included to facilitate easy comprehension.