What Was the Biggest Victory of the Cree in Their

What was the biggest victory of the Cree in their struggles with the Quebec government over their land?

A) obtaining a letter from the Quebec government stating that they will never again develop hydro-electric dams on Cree land
B) persuading a significant buyer of Quebec hydro-electric power to cancel their contract with the province
C) obtaining a treaty with the Quebec government that cedes nearly 2,000 square kilometres of land and provides for $190 million in payments over several years
D) obtaining a legal injunction halting construction of a dam in 1972