As Honno-ji Temple was early to disseminate its teachings to Tanegashima, it became deeply involved with the daimyo (Japanese territorial lord) in the Sengoku Period through the acquisition of guns and gunpowder.
本能寺は、早くから種子島に布教していたことから、鉄砲・火薬の入手につき戦国大名との関係が深かった。