New Official Language

>The Dutch
The most favoured Europeans were the Dutch, because they seemed the most likely to be easily assimilated.

In 1950 an assisted passage scheme was extended to the Netherlands, to attract skilled migrants such as carpenters or domestic workers. Over 6,000 were eventually selected, the majority of them in 1952–54. The scheme attracted others, many from industrialised west Holland, and some from the former Dutch colony that was now Indonesia. By 1971 there were over 20,000 Dutch people scattered throughout the country, and they comprised by far the largest non-British migrant group<

http://www.teara.govt.nz/NewZealanders/NewZealandPeoples/HistoryOfImmigration/14/en

=>The most favoured Europeans were the Dutch, because they seemed the most likely to be easily assimilated.
<=

This is true, the Dutch adapt/adopt a countries culture incredibilly fast.But only if they are spread out otherwise they'll form clusters and start up their own 'country within a country'.

After 1 or 2 generations often the only thing left that indicates they were Dutch are those typical last names.