I'm sorry, but how long ago was the food system of Hawaii sustainable? And how did the society of Hawaii look back then? How many Hawaiians were there at the ti

I'm sorry, but how long ago was the food system of Hawaii sustainable? And how did the society of Hawaii look back then? How many Hawaiians were there at the time, how many should leave the islands to go back to that state, and how many of those who should remain would actually be in favour of this solution?