Causality Chain · Audit Detail
Rust Belt Deindustrialization
containerization_rust_belt · order-3 · AP HuG subtopic 7.6 · status rated
A
Composite 11.00 / confidence high
Grade A: 3 sources, source_quality_avg=5.00, corroboration=2, claim_strength=2, geo_specific=1, counter_evidence_handled=no.
The historical event
Rust Belt Deindustrialization · 1970 · US Great Lakes / NE England / Ruhr / Wallonia
Container shipping (1956+) collapsed the cost advantage of inland manufacturing cities, triggering 30-year deindustrialization across the Rust Belt, NE England, the Ruhr, and Wallonia.
📚 Bluestone & Harrison 1982 + High 2003 + Levinson 2006 (The Box)
Causal trigger + effect
Trigger
Card(s):
containerizationConditions:
{'requires_held_card': 'industrial_park'}Threshold:
—Effect
Type:
spawn_news_flashPayload:
{'text': 'Manufacturing relocates seaward. Inland industrial cities bleed jobs.'}Target: self_and_nearest_inland_neighbor
Delay turns: 1
Methodology subscores
| Dimension | Score |
|---|---|
| Source quality (avg) | 5.0 |
| Corroboration (independent sources) | 2 |
| Causal-claim strength | 2 |
| Counter-evidence handling | 0 |
| Geographic specificity | 1 |
| Temporal scope | 1 |
Primary sources (3)
Bluestone, B. & Harrison, B., 'The Deindustrialization of America', Basic Books 1982
Type:
peer_reviewed · Year: 1982 · Geography: US Great LakesDocumented capital flight + plant closings 1969-1981; established deindustrialization framework.
Levinson, M., 'The Box: How the Shipping Container Made the World Smaller and the World Economy Bigger', Princeton UP 2006
Type:
peer_reviewed · Year: 2006 · Geography: Global (US/UK/Germany)Linked containerization (1956 onwards) to coastal port concentration + inland city decline.
High, S., 'Industrial Sunset: The Making of North America's Rust Belt 1969-1984', U Toronto Press 2003
Type:
peer_reviewed · Year: 2003 · Geography: US Midwest + OntarioCross-border comparative; documented worker + community responses to deindustrialization.
Counter-evidence (0)
No counter-evidence noted. Trellison reserves the right to escalate this chain to "needs counter-evidence review" if challenges emerge.
Audit metadata
Audit ID:
d9ed4e4d2d6542ec9608243b8b22bf40Audit date: 2026-05-14T05:54:09.581978+00:00
Protocol version:
v1.0Rater: claude_sprint2_auto
Corroborating independent count: 2