That's a seriously interesting post, thanks for sharing. That's also about the last of my public school education from the 70s destroyed.
New Zealand and Australia are very close, any rivalry between us is purely friendly, as other nations find out if they try to exploit a perceived rift. As nations we're very much like brothers, we argue between ourselves a little bit but if anyone else tries to join in both of us will turn on them.
As kids we saw a lot of New Zealand kids TV shows and I would assume they got to see a lot of ours. From those shows I did know that the Maori had only been in New Zealand for around 500 years before European colonisation.
I did a quick search of my own and found this map helpful:
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