Complex sentence: His offer was no more successful than any other, but it helped enhance his cachet in the Convention: when a compromise was made to elect a small body of deputies as constitutional draftsmen, Saint-Just was among the chosen five.
Split into simpler sentences: His offer was no more successful than any other, but it helped enhance his cachet in the Convention. When a compromise was made to elect a small body of deputies as constitutional draftsmen, Saint-Just was among the chosen five.