Alberta has no inherent right to Canadian soil, including Canadian oil in that soil. Canada gave Alberta jurisdiction over certain things, like resources, as a province of Canada.
https://williamgairdner.ca/does-any-province-of-canada-have-a-right-to-separate/ The land-area now controlled by Alberta was recognized as falling under Alberta jurisdiction as a province of Canada, and not as a separate country.
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Canada’s own Supreme Court, after the last Quebec debacle, issued an opinion that a UDI is not possible in Canada. To wit:
“the Constitution does not permit unilateral secession: Canada is a federal state based on constitutional government – and subject to the rule of law. The courts have a duty to uphold that Constitution – and to ensure that no level of government exceeds its powers. Secession would affect the structure and scope of that Constitution – so it would require constitutional amendments,”
Canada would have as much right to decide what lands belong to a nation called Alberta as Alberta does. Canada would also have a duty to the citizens who voted against secession and wish to remain citizens of a province in Canada.
Alberta secession is just a fantasy. A fantasy of an aggrieved few who aren’t mature enough to deal with not getting their way in politics It’s pathetic.
Even if Carney fails as PM, there is no solution by seceding from Canada.