Platt Amendment
E87682
The Platt Amendment was a 1901 U.S. law that severely limited Cuba’s sovereignty and gave the United States broad rights to intervene in Cuban affairs and maintain a naval base at Guantánamo Bay.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Platt Amendment canonical | 17 |
| 1903 Cuban–American Treaty | 1 |
| Platt Amendment era in Cuba (beginning of U.S. oversight) | 1 |
| Platt Amendment to the Army Appropriations Act of 1901 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T735394 — 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: Platt Amendment Context triple: [United States–Cuba relations, relatedAgreement, Platt Amendment]
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A.
Monroe Doctrine
The Monroe Doctrine was a foundational 19th-century U.S. foreign policy principle that opposed European colonialism in the Americas and asserted a special sphere of influence for the United States in the Western Hemisphere.
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B.
Treaty of Paris (1898)
The Treaty of Paris (1898) was the agreement that ended the Spanish–American War, resulting in Spain ceding territories including Puerto Rico, Guam, and the Philippines to the United States and marking a major expansion of U.S. influence overseas.
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C.
Puerto Rico Federal Relations Act
The Puerto Rico Federal Relations Act is a U.S. federal statute that defines and governs the political and legal relationship between Puerto Rico and the United States, including the island’s status, powers, and obligations under U.S. sovereignty.
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D.
Constitution of Cuba
The Constitution of Cuba is the supreme legal document that defines the socialist political system, structure of government, and rights and duties of citizens in the Republic of Cuba.
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E.
Torrijos–Carter Treaties
The Torrijos–Carter Treaties are a pair of 1977 agreements between the United States and Panama that set the terms for the gradual transfer of control of the Panama Canal from the U.S. to Panama by the end of 1999.
- 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: Platt Amendment Target entity description: The Platt Amendment was a 1901 U.S. law that severely limited Cuba’s sovereignty and gave the United States broad rights to intervene in Cuban affairs and maintain a naval base at Guantánamo Bay.
-
A.
Monroe Doctrine
The Monroe Doctrine was a foundational 19th-century U.S. foreign policy principle that opposed European colonialism in the Americas and asserted a special sphere of influence for the United States in the Western Hemisphere.
-
B.
Treaty of Paris (1898)
The Treaty of Paris (1898) was the agreement that ended the Spanish–American War, resulting in Spain ceding territories including Puerto Rico, Guam, and the Philippines to the United States and marking a major expansion of U.S. influence overseas.
-
C.
Puerto Rico Federal Relations Act
The Puerto Rico Federal Relations Act is a U.S. federal statute that defines and governs the political and legal relationship between Puerto Rico and the United States, including the island’s status, powers, and obligations under U.S. sovereignty.
-
D.
Constitution of Cuba
The Constitution of Cuba is the supreme legal document that defines the socialist political system, structure of government, and rights and duties of citizens in the Republic of Cuba.
-
E.
Torrijos–Carter Treaties
The Torrijos–Carter Treaties are a pair of 1977 agreements between the United States and Panama that set the terms for the gradual transfer of control of the Panama Canal from the U.S. to Panama by the end of 1999.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
United States federal law
ⓘ
amendment ⓘ |
| abrogatedBy | Treaty of Relations between the United States and Cuba (1934) ⓘ |
| appliesTo | Cuba ⓘ |
| codifiedAs | a rider to the 1901 Army Appropriations Bill ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| criticizedFor |
imperialism
ⓘ
undermining Cuban sovereignty ⓘ |
| dateEnacted | 1901-03-02 ⓘ |
| effect |
granted the United States the right to intervene in Cuban affairs
ⓘ
led to establishment of U.S. naval base at Guantánamo Bay ⓘ limited Cuban sovereignty ⓘ made Cuba a de facto U.S. protectorate ⓘ required Cuba to lease naval bases to the United States ⓘ restricted Cuba’s ability to contract public debt ⓘ restricted Cuba’s ability to make treaties with other powers ⓘ |
| grantedRightTo |
United States intervention in Cuba to maintain a government adequate for the protection of life, property, and individual liberty
ⓘ
United States intervention in Cuba to preserve Cuban independence ⓘ |
| historicalContext |
U.S. expansionism in the early 20th century
ⓘ
aftermath of Spanish colonial rule in Cuba ⓘ |
| incorporatedInto | Cuban Constitution of 1901 ⓘ |
| inForceUntil | 1934 ⓘ |
| introducedBy | Orville H. Platt ⓘ |
| jurisdiction | United States Congress ⓘ |
| legalForm | amendment to appropriations bill ⓘ |
| legalStatusInCuba | incorporated as constitutional appendices ⓘ |
| locationOfNavalBaseAuthorized |
Guantánamo Bay
ⓘ
linked to:
U.S. naval base at Guantánamo Bay
|
| longTermConsequence |
establishment of Guantánamo Bay Naval Base under U.S. control
ⓘ
strengthening of U.S. influence in the Caribbean ⓘ |
| namedAfter | Orville H. Platt ⓘ |
| partiallySupersededBy | 1934 U.S.–Cuba Treaty of Relations ⓘ |
| partOf | Army Appropriations Act of 1901 ⓘ |
| positionHeldByNamesake | United States Senator ⓘ |
| purpose |
to define conditions for the withdrawal of United States troops from Cuba after the Spanish–American War
ⓘ
to establish terms of U.S.–Cuba relations after Cuban independence ⓘ |
| regionImpacted | Caribbean ⓘ |
| relatedToEvent |
Spanish–American War
ⓘ
U.S. military occupation of Cuba (1898–1902) ⓘ
linked to:
U.S. Military Government in Cuba
|
| replaced | Teller Amendment’s earlier guarantee of Cuban independence in practice ⓘ |
| required |
Cuba not to enter any treaty impairing its independence
ⓘ
Cuba not to permit any foreign power to obtain control over any portion of Cuba ⓘ Cuba to incorporate its provisions into the Cuban constitution ⓘ Cuba to maintain sanitary conditions to prevent disease spread to the United States ⓘ Cuba to sell or lease lands necessary for coaling or naval stations to the United States ⓘ |
| stateRepresentedByNamesake | Connecticut ⓘ |
| subjectMatter |
foreign relations
ⓘ
military occupation and withdrawal conditions ⓘ |
| typeOfInterventionAuthorized | military intervention in Cuba by the United States ⓘ |
| yearEnacted | 1901 ⓘ |
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: Platt Amendment Description of subject: The Platt Amendment was a 1901 U.S. law that severely limited Cuba’s sovereignty and gave the United States broad rights to intervene in Cuban affairs and maintain a naval base at Guantánamo Bay.
Referenced by (20)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Platt Amendment
Presidency of William McKinley
→
significantEvent
→
Platt Amendment era in Cuba (beginning of U.S. oversight)
ⓘ
linked to: Platt Amendment
linked to: Platt Amendment