Ryukyu Kingdom defensive network
                        
                            GPTKB entity
                        
                    
                Statements (19)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:historical_military_system | 
| gptkbp:activePeriod | 16th century 15th century | 
| gptkbp:builtBy | Ryukyu Kingdom rulers | 
| gptkbp:consistsOf | fortified villages gusuku castles | 
| gptkbp:influencedBy | Chinese military architecture Japanese military architecture | 
| gptkbp:locatedIn | gptkb:Ryukyu_Kingdom | 
| gptkbp:notableSite | gptkb:Katsuren_Castle gptkb:Nakijin_Castle gptkb:Shuri_Castle gptkb:Nakagusuku_Castle gptkb:Zakimi_Castle | 
| gptkbp:purpose | defense against invasions | 
| gptkbp:UNESCOWorldHeritageSite | gptkb:Gusuku_Sites_and_Related_Properties_of_the_Kingdom_of_Ryukyu | 
| gptkbp:bfsParent | gptkb:Nakijin_Castle | 
| gptkbp:bfsLayer | 8 | 
| https://www.w3.org/2000/01/rdf-schema#label | Ryukyu Kingdom defensive network |