Wheeled Vehicles
Construction of carts and wagons, revolutionizing transport of goods and people.
Core metadata
- ID: wheeled_vehicles
- Era: Ancient
- First known date: -3500 (century)
- Region: Mesopotamia
- Review status: source_checked
- Maturity: established
Prerequisites
Dependents
Fields
Field lanes
- Transportation & Logistics: Road & Rail
Node sources
- Wheel (Encyclopaedia Britannica, 2026, textbook) • Supports: node, maturity
Prerequisite edge evidence
Edge/source evidence summary:
- Prerequisite edges: 2
- Average edge confidence: 73%
- Prerequisite sources: 3
- expert_inference: 1
- textbook: 1
| Prerequisite | Type | Confidence | Evidence level | Note | Sources |
|---|---|---|---|---|---|
| Wheel and Axle (wheel_and_axle) | required | 90% | textbook | A wheeled vehicle, by definition, requires wheel-and-axle technology. |
|
| Animal Husbandry (animal_husbandry) | commercial_or_scaling_dependency | 55% | expert_inference | Draft animals made carts and wagons much more useful at scale, but human-pulled wheeled vehicles are possible without animal husbandry. |
|
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