Translate the following English sentence to French:
"This is at the heart of the system, and it is this, the setting of political priorities and the focused use of resources, which will enable the political sphere to assert its primacy and to take its responsibilities fully on board."
Ces deux éléments seront au cur du dispositif, afin de permettre à la politique d'affirmer sa primauté et d'assumer pleinement ses responsabilités.