A proposed law that would redefine New Zealand’s founding treaty between the British Crown and Māori chiefs has triggered political turmoil in the country.The bill is never expected to become law. But it has become a flashpoint on race relations and a critical moment in the fraught 180-year-old conversation about how New Zealand should honor its promises to Indigenous people when the country was colonized.

New Zealand’s parliament was briefly suspended on Thursday after Maori members staged a haka to disrupt the vote on a contentious bill that would reinterpret a 184-year-old treaty between the British and Indigenous Maori.