Rule of law as institutional substrate — contract enforcement, judicial independence, equal treatment before the law. Upstream of most other axes.
The Government of India Act 1919 implemented the Montagu-Chelmsford reforms by creating provincial dyarchy, enlarging central and provincial legislatures, widening the limited franchise, and dividing provincial subjects into "reserved" and "transferred" departments. It marked a significant step beyond the 1909 reforms in formal representative government, but core coercive and fiscal powers remained under executive and imperial control, and communal electorates were retained and expanded.
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.