The determination of whether such measures have been effective must be reached objectively and cannot be left to the arbitrary judgement of the Government of the United Kingdom itself, 56. The United Kingdom decided on the mobiliza- tion of the fleet, on the naval blockade and on the grave measures of economic blockade within a few hours of the adoption of the Council resolution 508 (1982). Because of this, it cannot take shelter behind an alleged lack of compliance with that resolution by Argentina, which could hardly have withdrawn its troops in the face of the specific threats of aggression made by the British Government, Moreover, Argen- tina announced that it was prepared to comply with the resolution and expressed that readiness before the Council. 57. The exercise of self-defence which the United Kingdom is alleging could only have taken place in the absence of a resolution by the Council. But the reso- lution has been adopted, and the response of the United Kingdom to the Council has been reiterated violation of that resolution, which demands the cessation of hostilities. 58. Self-defence can be exercised only as an imme- diate reaction to protect essential interests. The Government of the United Kingdom had come to the Council for the protection of its interests, but it was unilaterally adopting all types of measures of a warlike nature. Its war fleet was advancing and naval and air attacks were being made against my country, 59. Self-defence can be used only to repel imminent and grave danger. In the existing circumstances, the United Kingdom could not allege any imminent and grave danger. Argentina had complied in regard to the cessation of hostilities and had not threatened the United Kingdom. On the contrary, it had repeated on several occasions that it accepted a peaceful settle- 
**Analysis**
The text appears to be a diplomatic or political document, discussing the actions of the United Kingdom and Argentina in a conflict. The language used is formal and technical, indicating a high-level or official document. The content focuses on the interpretation of international resolutions and the justification of military actions, suggesting that the category should be related to international relations or diplomacy.

**Category**
International relations