Causality Chain · Audit Detail

Borlaug Dwarf Wheat in Mexico/India/Pakistan

borlaug_dwarf_wheat · order-2 · AP HuG subtopic 5.5 · status rated

Composite 11.67 / confidence high

Grade A: 3 sources, source_quality_avg=4.67, corroboration=2, claim_strength=3, geo_specific=1, counter_evidence_handled=no.

The historical event

Borlaug Dwarf Wheat in Mexico/India/Pakistan · 1965 · Mexico → India → Pakistan

Borlaug's semi-dwarf wheat varieties tripled yields; averted predicted Indian/Pakistani famine 1965-1970.

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Card(s): green_revolution

Conditions: —

Threshold: —

Type: pop_pressure_delta

Payload: {'delta': -2, 'target_segment': 'famine_risk'}

Target: self

Delay turns: 2

Dimension	Score
Source quality (avg)	4.67
Corroboration (independent sources)	2
Causal-claim strength	3
Counter-evidence handling	0
Geographic specificity	1
Temporal scope	1

Hesser, L., 'The Man Who Fed the World: Nobel Peace Prize Laureate Norman Borlaug', Durban House 2006

Type: peer_reviewed · Year: 2006 · Geography: Mexico + India + Pakistan

Definitive biography; documented 1965-1970 India/Pakistan rollout.

Evenson, R. & Gollin, D., 'Assessing the Impact of the Green Revolution, 1960 to 2000', Science 300(5620) 2003

Type: peer_reviewed · Year: 2003 · Geography: Global developing world

Quantified yield gains + famine aversion; mainstream consensus on Green Revolution net effect.

Borlaug, N., 'The Green Revolution, Peace, and Humanity', Nobel Peace Prize Lecture 1970

Type: primary_historical · Year: 1970 · Geography: Mexico + South Asia

Original account of dwarf-wheat program; Nobel laureate primary source.

No counter-evidence noted. Trellison reserves the right to escalate this chain to "needs counter-evidence review" if challenges emerge.

Audit ID: 4dea31abb5e245c4b1cdd77bce9bbf2d

Audit date: 2026-05-14T05:54:31.176543+00:00

Protocol version: v1.0

Rater: claude_sprint2_auto

Corroborating independent count: 2