Translate the following English sentence to French:
"On the contrary, recent history has shown how the exacerbation of the sense of belonging to a particular community can trigger the resurgence of ancient ethnic disputes and lead to fratricidal conflicts."
À l'inverse, l'histoire récente a montré combien l'exacerbation du sentiment communautaire pouvait constituer un ferment de résurgence de querelles ethniques millénaires porteuses d'affrontements fratricides.