The political context makes Labour's decision even more striking. Immigration has become the defining issue in New Zealand politics, with Winston Peters and New Zealand First attacking high immigration levels and the major parties scrambling to respond.

By backing the India deal, Labour is betting that economic benefits will outweigh political costs. India represents a massive market opportunity for New Zealand exporters, particularly in dairy, meat, and education services.

The deal also has strategic significance. As New Zealand seeks to diversify its economic relationships and reduce dependence on China, India offers an alternative major Asian partner. The trade agreement strengthens ties with the world's most populous democracy.

But the domestic politics are tricky. New Zealand voters are increasingly concerned about cost of living, housing affordability, and infrastructure strain—all issues connected to rapid population growth driven by immigration.

Labour appears to be calculating that voters will distinguish between skilled migration under a trade agreement and broader immigration policy. Whether that calculation is correct will be tested at the next election.

The union movement's skepticism reflects genuine concerns. Past trade agreements with labor mobility provisions have sometimes led to exploitation of migrant workers and downward pressure on wages. Without strong enforcement of labor standards, the benefits of trade deals can accrue to businesses while costs are borne by workers.

Hipkins insists this deal is different, pointing to specific protections Labour negotiated. But unions have heard similar promises before, and they're not convinced.

The India trade deal now heads to Parliament, where it's expected to pass with support from Labour and the governing coalition. But the debate over immigration and worker protections is far from over.

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