<prompt> Translate the following text to SwahiliCleverest of the three , Nobunaga used another Western weapon, Christianity, against the principal remaining threat to his authority the strongholds surrounding Kyoto.  <response>: Nobunaga alitumia silaha nyingine ya Magharibi, Ukristo, dhidi ya tishio kuu lililobaki kwa mamlaka yake, ngome zilizozunguka Kyoto. 