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Iron begins to replace bronze.
In plain words
Iron begins to replace bronze in the same years the old kingdoms fall: the material of war changes with the collapse.
The mechanism
BOARD CHANGE — the material base of warfare shifts in the same window as the collapse
How it was checked
- EvidenceT6 PHYSICAL / MANUSCRIPT; Status: COMMITTED
- Letter eraTHE ENCLOSURE AT THE BIRTH OF WRITING c. 3500 to c. 1150 BC
- SourcesARCHAEOLOGY
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