Indeed , the institution of the potlatch is largely founded on the reciprocal relationship between clans and their support during mortuary rituals .
The opposition of clans is also a motivator for the reciprocal payments and services provided through potlatches .
The institution of the potlatch is largely founded on the reciprocal relationship between clans and their support during mortuary rituals .
The opposition of clans is also a motivator for the reciprocal payments and services provided through potlatches .