Much of the plotted mortality decline precedes January1920. The absence of an abrupt repeal jump is a weak test because outcome lags are uncertain. Descriptive timing does not establish which policy or social change caused the decline.
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PDF11–15; Figures3–7/PDF41–43
Full44-page source and figures/tables read; paraphrase checked with inferential limits. No independent model replication.
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Evidence
Paraphrase, not a direct quotation.
Much of the plotted mortality decline precedes January1920. The absence of an abrupt repeal jump is a weak test because outcome lags are uncertain. Descriptive timing does not establish which policy or social change caused the decline.
Location and context
Printed pp.9–13; PDF11–15; Figures3–7/PDF41–43. PDF pagination includes two preliminary pages.
Annotation
Historical-source analysis, not current health or legal advice. Verified here means faithful to this source, not independent validation of its causal conclusions.