Cleverest of the three , Nobunaga used another Western weapon, Christianity, against the principal remaining threat to his authority the strongholds surrounding Kyoto.
Nobunaga was strongly against Christianity and his enemies used it against him.
mnli hypothesis: Nobunaga was strongly against Christianity and his enemies used it against him. premise: Cleverest of the three , Nobunaga used another Western weapon, Christianity, against the principal remaining threat to his authority the strongholds surrounding Kyoto.