Quran 9:5. And when the sacred months have passed, then kill the polytheists wherever you find them and capture them and besiege them and sit in wait for them at every place of ambush. But if they should repent, establish prayer, and give zakah, let them [go] on their way.
NZ has led the way in establishing a worldwide taxation system to fund Islamic expansion, as explained in the presentation below.
Halal Certification Of New Zealand Food Products
Dr Anwar-ul Ghani
AgResearch, Ruakura Research Centre
President of FIANZ & Chairman of Halal Advisory Council
Presentation, NZ in Global Halal Economy
(July 12, 2012), Auckland Business School, New Zealand