On the other hand, poorly safeguarded Russian nuclear weapons constitute menace to international security. After the end of Cold and dismantling the Warsaw Pact, enlargement of NATO seemed to be inevitable, and consequently three countries from former Soviet bloc (Czech Republic, Hungary, Poland) became NATO members. Russia has expressed many objections toward NATO expansions, therefore, developing NATO's relations with Russia have remained issue of big importance in international security system. Another significant question refers to Russia's involvement in collective conflict management. In addition, Russian international policy toward autonomous regions (two wars in Chechnya in last decade) has the impact on her international affairs.