Translate the following English sentence to French:
"One of the most important innovations provided by the Treaty of Amsterdam was to clarify the basic principles which represent the shared heritage of the Member States. Another innovation was the establishment of a mechanism which would monitor whether these principles are being fulfilled, and which would react if any of them were violated."
L'une des innovations importantes du traité d'Amsterdam consiste en l'introduction d'une mention explicite des principes fondamentaux qui constituent le patrimoine commun des États membres et la création d'un mécanisme de contrôle de leur respect ainsi que de réaction en cas de violation d'un de ces principes.