A Continuing Problem Roiling Canadian Politics for the Past Several

A continuing problem roiling Canadian politics for the past several decades has been

A) whether to always give support to United States foreign policy.
B) the demand by many French-speaking Canadians that the province of Quebec become independent of the rest of Canada.
C) the desire by many Canadians that Canada become a republic and several all ties with the British monarchy.
D) whether to nationalize Canada's sizeable oil and gas reserves.
E) whether to change from a parliamentary system of government and adopt instead the US presidential model.