| gptkbp:instanceOf | gptkb:Trade_policy 
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                                | gptkbp:adoptedBy | gptkb:British_Empire_Economic_Conference gptkb:Ottawa_Conference
 1932
 
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                                | gptkbp:appliesTo | gptkb:British_Empire 
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                                | gptkbp:category | gptkb:British_Empire Economic history of the United Kingdom
 
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                                | gptkbp:effect | Decreased trade with non-Empire countries Increased intra-Empire trade
 
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                                | gptkbp:endDate | gptkb:General_Agreement_on_Tariffs_and_Trade 1947
 
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                                | gptkbp:historicalPeriod | Early 20th century 
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                                | gptkbp:involves | Tariff reductions Trade barriers against non-Empire countries
 
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                                | gptkbp:opposedBy | gptkb:United_States Free traders
 Other non-Empire countries
 
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                                | gptkbp:primaryUse | gptkb:Australia gptkb:Canada
 gptkb:India
 gptkb:New_Zealand
 gptkb:South_Africa
 gptkb:United_Kingdom
 Other British Dominions
 
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                                | gptkbp:proposedBy | gptkb:Joseph_Chamberlain 1902
 
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                                | gptkbp:purpose | Promote trade within the British Empire 
 | 
                        
                            
                                | gptkbp:relatedTo | Protectionism Free trade
 Commonwealth preference
 
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                                | gptkbp:bfsParent | gptkb:Colonial_Conference_1902 
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                                | gptkbp:bfsLayer | 8 
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                                | https://www.w3.org/2000/01/rdf-schema#label | Imperial preference 
 |