Final answer:
The members of the assembly made a vow to continue working until France had a constitution with the Tennis Court Oath.
Step-by-step explanation:
The subject of this question is History. The members of the assembly made a vow to continue to work until France had a constitution with the Tennis Court Oath. This oath was taken after the National Assembly was locked out of the Estates-General meeting and they met on a tennis court in Versailles. By taking this oath, they pledged to continue their work until the establishment of a constitution.
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