Did tsunami cause resource wars in prehistoric New Zealand?

Archaeologists have conventionally divided New Zealand prehistory into two chronological phases: “Archaic Maori” and “Classic Maori”. These phases are defined by the distinctive assemblages of artefacts (such as adzes, fishing implements and ornaments) that are associated with each phase. But they also largely coincide with the centrality of big game to Maori subsistence. During the earlier phase, moa and seals were central to people’s diet. However, as moa became extinct (by around 1500 AD), and seal populations seriously depleted, Maori had to rely more heavily on other sources of food. Continue reading