Translate the following English sentence to French:
"Clear political commitments were given, such as the commitment to set up joint investigation teams, which, in my view, represent the most effective instrument for fighting terrorism at its very roots."
On a pris des engagements politiques clairs, l'engagement de créer des équipes d'enquête communes qui, à mon avis, constituent l'instrument le plus efficace de lutte contre le terrorisme, étant donné sa propre base de gestation.