<Li> Epsom, Surrey and Chantilly, Oise </Li> <Li> Exeter, Devon and Rennes, Ille - et - Vilaine </Li> <Li> Exmouth, Devon and Dinan, Côtes - d'Armor </Li> <Li> Farnborough, Hampshire and Meudon, Hauts - de-Seine </Li>

Which major issue was the cause of conflict between england and france