Nope, the EU (27 countries) are quite homogenous under EU-laws. Of course, differences still exist and there and there are cases where national laws are contrav

Nope, the EU (27 countries) are quite homogenous under EU-laws. Of course, differences still exist and there and there are cases where national laws are contravened the EU laws, but the supremacy of the EU-laws is in no dispute. Numerous cases highlight those fact, for example: [1] https://www.politico.eu/article/commission-sues-germany-escalating-battle-over-supremacy-eu-law/ https://www.politico.eu/article/commission-sues-germany-esca... [2] https://www.reuters.com/world/europe/germany-france-join-eu-proceedings-against-hungary-over-anti-lgbt-law-2023-04-06/ https://www.reuters.com/world/europe/germany-france-join-eu-...