Vienna 1989 importance and essential for building confidence and security as well as for the development of their friendly relations and of their co-operation in all fields. (3) In this context, they confirm that they will respect each other’s right freely to choose and develop their political, social, economic and cultural systems as well as their right to determine their laws, regulations, practices and policies. In exercising these rights, they will ensure that their laws, regulations, practices and policies conform with their obligations under international law and are brought into harmony with the provisions of the Declaration on Principles and other CSCE commitments. (4) They also confirm that, by virtue of the principle of equal rights and self-determination of peoples and in conformity with the relevant provisions of the Final Act, all peoples always have the right, in full freedom, to determine, when and as they wish, their internal and external political status, without external interference, and to pursue as they wish their political, economic, social and cultural development. (…) (8) The participating States unreservedly condemn, as criminal, all acts, methods and practices of terrorism, wherever and by whomever committed, including those which jeopardize friendly relations among States and their security, and agree that terrorism cannot be justified under any circumstances. (9) They express their determination to work for the eradication of terrorism both bilaterally and through multilateral co-operation, particularly in such international fora as the United Nations, the International Civil Aviation Organization and the International Maritime Organization and in accordance with the relevant provisions of the Final Act and the Madrid Concluding Document. (10) Convinced of the need to combine measures at a national level with reinforced international co-operation, the participating States express their intention (10.1) - to pursue a policy of firmness in response to terrorist demands; (10.2) - to reinforce and develop bilateral and multilateral co-operation among themselves in order to prevent and combat terrorism as well as to increase efficiency in existing co-operation at the bilateral level or in the framework of groups of States including, as appropriate, through the exchange of information; (10.3.) - to prevent on their territories illegal activities of persons, groups or organizations that instigate, organize or engage in the perpetration of acts of terrorism or subversive or other activities directed towards the violent overthrow of the regime of another participating State; (10.4) - to take effective measures for the prevention and suppression of acts of terrorism directed at diplomatic or consular representatives and against terrorism involving violations of the Vienna Conventions on Diplomatic and Consular Relations, in particular their provisions relating to diplomatic and consular privileges and immunities; 46 OSCE Human Dimension Commitments