sakoku (national isolation policy, foundations)
E605735
Sakoku was the early Tokugawa-era policy framework that laid the groundwork for Japan’s long period of controlled isolation from most foreign contact and influence.
All labels observed (2)
| Label | Occurrences |
|---|---|
| sakoku | 4 |
| sakoku (national isolation policy, foundations) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6536729 — 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: sakoku (national isolation policy, foundations) Context triple: [Tokugawa Ieyasu, implementedPolicy, sakoku (national isolation policy, foundations)]
-
A.
Yoshida Doctrine
The Yoshida Doctrine was Japan’s post–World War II foreign policy strategy that prioritized economic recovery and growth while relying on the United States for military protection.
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B.
Tokugawa shogunate
The Tokugawa shogunate was the feudal military government that ruled Japan from the early 17th to the mid-19th century, overseeing a long period of peace, isolation, and strict social order.
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C.
Japanese Nanshin-ron (Southern Expansion Doctrine)
Japanese Nanshin-ron (Southern Expansion Doctrine) was an Imperial Japanese strategic policy that advocated southward expansion into Southeast Asia and the Pacific to secure resources and regional dominance, in contrast to a northern advance against the Soviet Union.
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D.
Nakasone Doctrine
The Nakasone Doctrine is a Japanese foreign and security policy framework under Prime Minister Yasuhiro Nakasone that emphasized a stronger U.S.-Japan alliance, greater international role for Japan, and a more assertive defense posture within constitutional limits.
-
E.
sankin-kōtai
Sankin-kōtai was a system in feudal Japan that required regional lords (daimyō) to alternate residence between their domains and the shogun’s capital, reinforcing central control and political stability.
- 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: sakoku (national isolation policy, foundations) Target entity description: Sakoku was the early Tokugawa-era policy framework that laid the groundwork for Japan’s long period of controlled isolation from most foreign contact and influence.
-
A.
Yoshida Doctrine
The Yoshida Doctrine was Japan’s post–World War II foreign policy strategy that prioritized economic recovery and growth while relying on the United States for military protection.
-
B.
Tokugawa shogunate
The Tokugawa shogunate was the feudal military government that ruled Japan from the early 17th to the mid-19th century, overseeing a long period of peace, isolation, and strict social order.
-
C.
Japanese Nanshin-ron (Southern Expansion Doctrine)
Japanese Nanshin-ron (Southern Expansion Doctrine) was an Imperial Japanese strategic policy that advocated southward expansion into Southeast Asia and the Pacific to secure resources and regional dominance, in contrast to a northern advance against the Soviet Union.
-
D.
Nakasone Doctrine
The Nakasone Doctrine is a Japanese foreign and security policy framework under Prime Minister Yasuhiro Nakasone that emphasized a stronger U.S.-Japan alliance, greater international role for Japan, and a more assertive defense posture within constitutional limits.
-
E.
sankin-kōtai
Sankin-kōtai was a system in feudal Japan that required regional lords (daimyō) to alternate residence between their domains and the shogun’s capital, reinforcing central control and political stability.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Tokugawa shogunate policy
ⓘ
foreign relations policy ⓘ |
| aimedAt |
controlling foreign contact
ⓘ
limiting foreign influence ⓘ maintaining Tokugawa political stability ⓘ preventing spread of Christianity ⓘ regulating overseas trade ⓘ |
| allowedException |
contacts with Ainu and Ezo via Matsumae domain
ⓘ
limited Chinese trade at Nagasaki ⓘ limited Dutch trade at Dejima ⓘ relations with Ryukyu Kingdom via Satsuma domain ⓘ trade with Korea via Tsushima domain ⓘ |
| appliesTo | Japan NERFINISHED ⓘ |
| characterizedAs | system of controlled foreign relations rather than absolute isolation ⓘ |
| effectivelyEndedBy |
Convention of Kanagawa
NERFINISHED
ⓘ
unequal treaties with Western powers ⓘ |
| enforcedBy | Tokugawa bakufu NERFINISHED ⓘ |
| hasComponent |
ban on Christianity
ⓘ
control of coastal shipping ⓘ licensing of foreign trade ⓘ maritime restrictions ⓘ missionary expulsion ⓘ |
| hasEndPhase | relaxation under late Tokugawa shogunate ⓘ |
| hasKeyEdict |
Sakoku edict of 1634
ⓘ
Sakoku edict of 1635 NERFINISHED ⓘ Sakoku edict of 1639 NERFINISHED ⓘ Sakoku edict of 1641 NERFINISHED ⓘ Sakoku edicts of 1633 ⓘ |
| hasLegacy |
historiographical discussions of early modern globalization
ⓘ
modern debates about Japanese isolationism ⓘ |
| hasStartTime | 1630s ⓘ |
| hasTimePeriod | early Edo period NERFINISHED ⓘ |
| historicalContext |
fear of European colonial expansion
ⓘ
post-Sengoku consolidation of power ⓘ |
| implementedBy | Tokugawa shogunate NERFINISHED ⓘ |
| influenced |
Tokugawa intellectual and cultural life
ⓘ
formation of Japanese national identity ⓘ long-term development of Edo-period economy ⓘ |
| initiatedUnder | Tokugawa Iemitsu NERFINISHED ⓘ |
| legalBasis | series of Tokugawa bakufu edicts ⓘ |
| linguisticMeaning | "closed country" in Japanese ⓘ |
| precededBy |
Toyotomi and early Tokugawa anti-Christian measures
ⓘ
expulsion of Spanish missionaries ⓘ |
| regulatedBy | Nagasaki bugyō NERFINISHED ⓘ |
| restricted |
Japanese overseas travel
ⓘ
entry of most foreign ships ⓘ return of Japanese who had gone abroad ⓘ |
| weakenedBy | increasing Western naval presence in East Asia ⓘ |
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: sakoku (national isolation policy, foundations) Description of subject: Sakoku was the early Tokugawa-era policy framework that laid the groundwork for Japan’s long period of controlled isolation from most foreign contact and influence.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
sakoku
this entity surface form:
sakoku
this entity surface form:
sakoku
this entity surface form:
sakoku