However , Mako was one of the few who doubted that the Northern Water Tribe was the culprit .
When a cultural center associated with the Southern Water Tribe was bombed , most suspected that the Northern Water Tribe was involved .
Mako was one of the few who doubted that the Northern Water Tribe was the culprit .
When a cultural center associated with the Southern Water Tribe was bombed , most suspected that the Northern Water Tribe was involved .