For 10 points, identify this office once held by Robert Muldoon, the head of state of a country with a large Māori minority.
A holder of this office decisively won re-election on the back of taking a non-conciliatory policy towards striking wharf workers during a five month long strike in 1951. A holder of this office was defeated in snap elections that he called while visibly drunk on television. An autocratic holder of this office, nicknamed "King Dick," introduced early social welfare measures that were expanded by a later holder named Michael Savage. In the 1980s, a holder of this office continued some of the free market policies of Finance Minister (*) Roger Douglas despite being from the Labour Party; that man, David Lange, made his country into one of the first nuclear-free zones. In this office, Richard Seddon switched his position to support the first successful Anglophone effort to grant women suffrage. For 10 points, identify this office once held by Robert Muldoon, the head of state of a country with a large Māori minority.
A holder of this office decisively won re-election on the back of taking a non-conciliatory policy towards striking wharf workers during a five month long strike in 1951.
Prime Minister of New Zealand [accept Premier of New Zealand] 