In what year was the sesquicentennial of the signing of the treaty that has been celebrated as a national holiday on february 6 in new zealand since 1974?

The day was first officially commemorated in 1934, and it has been a public holiday since 1974. For some people, Waitangi Day is a holiday; for many, and especially for Māori, it is the occasion for reflecting on the Treaty.

Explanation:

true because they can bargain

they had freedom from the government and from the affairs