Annexation of Texas
E237455
The Annexation of Texas was the 1845 incorporation of the Republic of Texas into the United States, a pivotal expansionist move that heightened sectional tensions over slavery in the antebellum era.
All labels observed (10)
How this entity was disambiguated
This entity first appeared as the object of triple T2130941 — 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: Annexation of Texas Context triple: [Antebellum period, significantEvent, Annexation of Texas]
-
A.
Texas Revolution
The Texas Revolution was an 1835–1836 armed uprising in which Anglo-Texan and Tejano settlers fought to break away from Mexican rule, ultimately leading to the creation of the independent Republic of Texas.
-
B.
Toledo War
The Toledo War was a 19th-century boundary dispute between the U.S. states of Ohio and Michigan over control of the Toledo Strip, resolved largely through political negotiation rather than armed conflict.
-
C.
Kansas–Nebraska Act
The Kansas–Nebraska Act was an 1854 U.S. law that created the territories of Kansas and Nebraska and inflamed sectional tensions by allowing settlers there to decide the legality of slavery through popular sovereignty, effectively nullifying the Missouri Compromise.
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D.
Louisiana Purchase
The Louisiana Purchase was an 1803 land deal in which the United States bought a vast territory from France, doubling the nation's size and securing control of the Mississippi River region.
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E.
Creek War of 1836
The Creek War of 1836 was a conflict in Alabama and Georgia in which U.S. forces suppressed Creek resistance, leading to the forced removal of the Creek people along the Trail of Tears.
- 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: Annexation of Texas Target entity description: The Annexation of Texas was the 1845 incorporation of the Republic of Texas into the United States, a pivotal expansionist move that heightened sectional tensions over slavery in the antebellum era.
-
A.
Texas Revolution
The Texas Revolution was an 1835–1836 armed uprising in which Anglo-Texan and Tejano settlers fought to break away from Mexican rule, ultimately leading to the creation of the independent Republic of Texas.
-
B.
Toledo War
The Toledo War was a 19th-century boundary dispute between the U.S. states of Ohio and Michigan over control of the Toledo Strip, resolved largely through political negotiation rather than armed conflict.
-
C.
Kansas–Nebraska Act
The Kansas–Nebraska Act was an 1854 U.S. law that created the territories of Kansas and Nebraska and inflamed sectional tensions by allowing settlers there to decide the legality of slavery through popular sovereignty, effectively nullifying the Missouri Compromise.
-
D.
Louisiana Purchase
The Louisiana Purchase was an 1803 land deal in which the United States bought a vast territory from France, doubling the nation's size and securing control of the Mississippi River region.
-
E.
Creek War of 1836
The Creek War of 1836 was a conflict in Alabama and Georgia in which U.S. forces suppressed Creek resistance, leading to the forced removal of the Creek people along the Trail of Tears.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
19th-century event
ⓘ
United States history event ⓘ historical event ⓘ territorial annexation ⓘ |
| admittedAs | 28th state of the United States ⓘ |
| appliesToJurisdiction |
Republic of Texas
ⓘ
United States of America ⓘ |
| capitalAffected | Austin ⓘ |
| carriedOutBy |
James K. Polk
ⓘ
surface form:
President James K. Polk
John Tyler ⓘ
surface form:
President John Tyler
United States Congress ⓘ |
| conflictWith | Mexico ⓘ |
| countryInvolved |
Republic of Texas
ⓘ
United States of America ⓘ |
| dateOfAdmission | 1845-12-29 ⓘ |
| endDate | 1845-12-29 ⓘ |
| followedBy | Mexican–American War ⓘ |
| follows |
Texas Revolution
ⓘ
Texas Revolution ⓘ
surface form:
Texas independence (1836)
|
| hasCause |
Manifest Destiny ideology
ⓘ
Texas independence from Mexico ⓘ U.S. expansionism ⓘ |
| hasEffect |
contributed to causes of the Mexican–American War
ⓘ
expansion of United States territory ⓘ heightened sectional tensions over slavery ⓘ shifted balance of power between free and slave states ⓘ |
| hasPart | admission of Texas as a U.S. state ⓘ |
| implementedBy |
acceptance ordinance of the Texas Congress
ⓘ
joint resolution of the U.S. Congress ⓘ |
| languageOfRecord | English ⓘ |
| legalBasis |
Annexation of Texas
self-linksurface differs
ⓘ
surface form:
Joint Resolution for Annexing Texas to the United States
Annexation of Texas self-linksurface differs ⓘ
surface form:
Texas Annexation Resolution
|
| locatedIn | North America ⓘ |
| mainSubject |
United States and Mexico
ⓘ
surface form:
U.S.–Mexico relations
slavery in the United States ⓘ territorial expansion of the United States ⓘ |
| opposedBy |
Northern abolitionists
ⓘ
many Whigs ⓘ |
| partOf |
antebellum United States history
ⓘ
westward expansion of the United States ⓘ |
| precededBy | Tyler–Texas annexation treaty (failed 1844 treaty) ⓘ |
| resultedIn |
creation of the State of Texas
ⓘ
Annexation of Texas self-linksurface differs ⓘ
surface form:
dissolution of the Republic of Texas
extension of U.S. slavery territory ⓘ |
| significantDate |
1845-03-01
ⓘ
1845-12-29 ⓘ |
| startDate | 1845-03-01 ⓘ |
| supportedBy |
Southern slaveholders
ⓘ
expansionist Democrats ⓘ |
| timePeriod | antebellum era ⓘ |
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: Annexation of Texas Description of subject: The Annexation of Texas was the 1845 incorporation of the Republic of Texas into the United States, a pivotal expansionist move that heightened sectional tensions over slavery in the antebellum era.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Annexation of Texas to the United States
this entity surface form:
Joint Resolution for Annexing Texas to the United States
this entity surface form:
Texas Annexation Resolution
this entity surface form:
dissolution of the Republic of Texas
this entity surface form:
U.S. annexation of Texas
this entity surface form:
Texas annexation crisis
this entity surface form:
Annexation of the Republic of Texas to the United States
this entity surface form:
Texas annexation process
this entity surface form:
Annexation of Texas by the United States