This task is about translating a given French language sentence to English.
Q: [Changement de Matière] Mais en août 1789 ils ont déjà terminé leur version de la Déclaration d'Indépendance.
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
But in August 1789, they've already done their version of the Declaration of Independence.