What do you know about early Maori society? What happened to it when the first Europeans came in the 17th century?

What do you know about early Maori society? What happened to it when the first Europeans came in the 17th century?

(1)Traditional Maori social organization was based on clans of extended families who shared common ancestors. Together, the clans made up tribes led by clan chiefs.
(2) A detachment of Maori warriors gave the first Europeans a violent reception.