Assertion: paper blockade | /r/HasProperty | effective
Facets:
Source sentences:
text: Paper blockades were declared illegal by the Declarations of the Armed Neutralities of 1780 and 1800, and it was to suppress their subsequent continuance that Article 4 of the Declaration of Paris (1856; a supplement to the Treaty of Paris ) provided that “blockades, in order to be binding, must be effective.