How did the Maori people attempt to limit European colonization of New Zealand in the 19th century?

A. They massacred Christian missionaries in an effort to scare off
future European settlers.

B. They sent representatives to European governments to negotiate
directly with their leaders.

C. They signed formal treaties with European settlers that legally
protected Maori lands.

D. They relocated to the Outback and engaged in guerrilla warfare
with European settlers.