Rule of law as institutional substrate — contract enforcement, judicial independence, equal treatment before the law. Upstream of most other axes.
S.C. 2000 c.26 of 29 June 2000. Federal response to Supreme Court's 1998 Reference re Secession of Quebec. Required House of Commons to determine, before any secession negotiation, (i) clarity of referendum question and (ii) clarity of majority vote. Codified prerequisites for Constitutional negotiation with any seceding province. Quebec enacted counter Bill 99 (An Act respecting the exercise of fundamental rights).
Per invariant 3, reforms are scored by what they did on each channel-separated axis, not by the party that enacted them. This fingerprint is how the policy-match engine finds historical analogues.
Explicit links are curated by the author. Inferred links are hypotheses in the library that test the same axes this policy moved — the framework's answer to "what does the data say about a policy like this?".
Ranked by axis-fingerprint overlap with this policy. Direction match bolded — those are the closest historical analogues. Shape of the match is what drives policy-outcome comparison, not the country or party label.