important transportation corridor during westward expansion of the United States
E117632
The important transportation corridor during westward expansion of the United States refers to the Missouri River, a major waterway that enabled migration, trade, and military movement into the American frontier.
All labels observed (1)
| Label | Occurrences |
|---|---|
| important transportation corridor during westward expansion of the United States canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T989676 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: important transportation corridor during westward expansion of the United States Context triple: [Missouri River, historicalRole, important transportation corridor during westward expansion of the United States]
-
A.
First Transcontinental Railroad
The First Transcontinental Railroad was the 19th-century rail line that first connected the eastern and western United States by land, revolutionizing cross-country travel, commerce, and settlement.
-
B.
Central Pacific Railroad historic route
The Central Pacific Railroad historic route is the original transcontinental rail line built in the 1860s that crossed the Sierra Nevada, including through Donner Pass, to connect California with the rest of the United States.
-
C.
Mormon Trail
The Mormon Trail was a 19th-century overland route used by Latter-day Saint pioneers migrating west from the Midwest to the Salt Lake Valley in present-day Utah.
-
D.
Sierra Nevada transportation corridor
The Sierra Nevada transportation corridor is a major east–west route across California’s Sierra Nevada mountains that carries key highway and rail lines linking the state’s Central Valley with Nevada and the broader interior West.
-
E.
Lewis and Clark National Historic Trail
Lewis and Clark National Historic Trail is a long-distance U.S. National Historic Trail that follows the route of the Lewis and Clark Expedition across multiple states from the Midwest to the Pacific Coast.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: important transportation corridor during westward expansion of the United States Target entity description: The important transportation corridor during westward expansion of the United States refers to the Missouri River, a major waterway that enabled migration, trade, and military movement into the American frontier.
-
A.
First Transcontinental Railroad
The First Transcontinental Railroad was the 19th-century rail line that first connected the eastern and western United States by land, revolutionizing cross-country travel, commerce, and settlement.
-
B.
Central Pacific Railroad historic route
The Central Pacific Railroad historic route is the original transcontinental rail line built in the 1860s that crossed the Sierra Nevada, including through Donner Pass, to connect California with the rest of the United States.
-
C.
Mormon Trail
The Mormon Trail was a 19th-century overland route used by Latter-day Saint pioneers migrating west from the Midwest to the Salt Lake Valley in present-day Utah.
-
D.
Sierra Nevada transportation corridor
The Sierra Nevada transportation corridor is a major east–west route across California’s Sierra Nevada mountains that carries key highway and rail lines linking the state’s Central Valley with Nevada and the broader interior West.
-
E.
Lewis and Clark National Historic Trail
Lewis and Clark National Historic Trail is a long-distance U.S. National Historic Trail that follows the route of the Lewis and Clark Expedition across multiple states from the Midwest to the Pacific Coast.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
river
ⓘ
transportation corridor ⓘ |
| associatedWith |
Great Plains
ⓘ
Louisiana Purchase ⓘ
surface form:
Louisiana Purchase territory
|
| borderFunction | formed boundaries between several U.S. states ⓘ |
| connectedTo |
Oregon Trail region via overland routes
ⓘ
Santa Fe Trail region via overland routes ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| economicImpact |
facilitated settlement of the Great Plains
ⓘ
supported frontier trading posts and forts ⓘ |
| eraOfGreatestTransportationImportance | 19th century ⓘ |
| explorationPeriod | 1804–1806 ⓘ |
| exploredBy | Lewis and Clark Expedition ⓘ |
| flowsThrough |
Iowa
ⓘ
Kansas ⓘ Missouri ⓘ Montana ⓘ Nebraska ⓘ North Dakota ⓘ South Dakota ⓘ |
| historicalDesignation | important transportation corridor during westward expansion of the United States ⓘ |
| historicalUse |
primary route into the American frontier
ⓘ
route for fur trade ⓘ route for steamboat traffic ⓘ |
| knownAs | longest river in North America ⓘ |
| length | approximately 2,341 miles ⓘ |
| linkedRegion |
Midwestern United States
ⓘ
Western frontier territories ⓘ |
| locatedIn |
North America
ⓘ
United States of America ⓘ
surface form:
United States
|
| majorRoleIn | westward expansion of the United States ⓘ |
| militarySignificance |
enabled rapid troop movement into western territories
ⓘ
used to supply frontier forts ⓘ |
| mouthLocation | Mississippi River at St. Louis, Missouri ⓘ |
| partOf |
Mississippi River basin
ⓘ
surface form:
Mississippi River system
|
| sourceLocation |
Rocky Mountains
ⓘ
surface form:
Rocky Mountains of western Montana
|
| strategicImportance | served as main artery into western territories before railroads ⓘ |
| supportedActivity |
movement of goods between interior and Mississippi River markets
ⓘ
settlement of frontier towns along its banks ⓘ |
| transportMode |
canoes and keelboats in early exploration period
ⓘ
steamboats in 19th century ⓘ |
| tributaryOf | Mississippi River ⓘ |
| usedFor |
migration
ⓘ
military movement ⓘ trade ⓘ transportation ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: important transportation corridor during westward expansion of the United States Description of subject: The important transportation corridor during westward expansion of the United States refers to the Missouri River, a major waterway that enabled migration, trade, and military movement into the American frontier.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
Missouri River
→
historicalRole
→
important transportation corridor during westward expansion of the United States
ⓘ