Which of these were tried by the Maori in an attempt to keep their land from Great Britian?

The made an alliance with the Aborigine to fight against the British.

They established a monarch to negotiate for them.

They wrote up a peace treaty, but it wasn't followed after it was signed.

They left the island and let the British have it instead of fighting back.

The third option is the correct answer: They wrote up a peace treaty, but it wasn't followed after it was signed.