They were not fighting against each other. Either they were fighting two entirely separate duels, in which case the wording of the riddle is slightly misleading ('Alphonse and Gaston fought a duel') or they were fighting as a pair. In any case, they were not each other's 'opponents'. The ambiguity of the word 'opponent' is the key.
Neither party spoke negatively of its opponents
neither. Although it emerged as a sect from Shia at about 11th century
A Balanced force is a force that does not change in motion.For example, an arm wrestling match in which both opponents are equal in strength, in this case neither.
It's neither people use centuries and decades every where
Neither date is known. He was born sometime early in the first century AD and died in the mid to late first century.
At the end of the ninth century neither England nor France had anything remotely resembling democracy.
It is neither direct nor indirect. That said, a goal cannot be scored directly from a throw-in. The restart would be the same as if the score was directly from an indirect free kick. If the ball enters the opponent's goal then it's a goal kick for the opponents. If the ball enters the thrower's goal, then it's a corner kick for the opponents.
He was neither beatified nor canonized as those processes did not become part of the Church until the 12th century.
He was neither beatified nor canonized as those processes did not become part of the Church until the 12th century.
He was neither. Botticelli painted in the 15th and 16th centuries, i.e. in the Renaissance. Impressionism was in the 19th and Expressionism in the 20th century.
Neither. It is modern (19th century) fake Latin word based on the name of the Swedish village of Ytterby.
Neither. Book of Life was created by Reel FX Creative Studios & 20th Century Fox Animation.