Māori tribes caused pressure on the livelihood of Māori turned to cultivation, so the resource war struggle together until each of the villages surrounding camp, Fortress must be created to prevent attacks from opponents.
Maori severe pressures of life have made the Maori turned to cultivation. It was a fight for resources, war and more. I need to build a fortress around the village to prevent the attacks from his opponents.
Maori tribe was under pressure in living the Maori to farming. The battle over resources more and more. To each village to build a fort surrounded the camp to prevent attacks from the opponent.