Purpose – the primary purpose of the study is to identify the main threats to the process of ensuring social security and finding ways to establish a connection between economic and social security. Research methodology – the methodological basis is a system of complementary philosophical, general scientific and unique methods of cognition of socio-political phenomena, in particular systemic-structural, comparatively retrospective, institutional and structural-functional, diagnostics and forecasting, general methods of analysis and synthesis, etc. Findings – our results made it possible to establish which particular threats most affect the social security of the countries of Eastern Europe and the calculation results will help establish the country needs a connection between economic and social security. Research limitations – we did not take into account a significant number of indicators characterising the state of social security of the state. The threats we have highlighted are compassionate. In the future, it is necessary to pay considerable attention to the process of assessing the level of social security of the state in order to determine whether it is necessary to state which government measures or not. Practical implications – сertain threats and models can be used by countries of Eastern Europe to form the necessary measures to counter them; Originality/Value – the study covers one of the least explored areas, namely social security, which has not been explored for a long time in the context of identifying threats. Social Security Model IDEF0 Formed.

Abstract. 1 The effectiveness of wastewaters treatment by means of ultrasonic and vibration response cavitation has been investigated. The application of the vibration and cavitation equipment produces the same effects as in case of ultrasonic cavitation, but it is economically reasonable to use vibration response low-frequency cavitators.

The purpose of this article is to characterize legal and economic basis for ensuring national economic security in the conditions of Ukraine's entry into a common European economic and political space. This article analyses approaches to the understanding of economic security in the meaning of legal regulation and explores its interrelation with national security. The context of legal regulation, which is directly related to sovereignty and protection of the national interests, the possible threats affecting the state of national economic performance are distinguished. It is noted that the problems of domestic economic development of Ukraine, dynamic changes that take place within the global economic space, and increase of the extent of national economy's openness stipulate the need to study the scope of "economic security" category taking into account peculiarities of modern economic system development that will allow timely identifying the threats to national economic interests and preventing damage to the entire social and economic system. At the same time, a special attention is paid to the fact that despite different ways of the state management of the economy, many of them are implemented specifically in the legal form. The point was stressed that legal regulation of the economic system of Ukraine should be carried out in two priority areas: first was a normative codification of the adopted mechanisms that developed as a result of the natural economic influence patterned and second was the direction of economic development to achieve interests of the state and the society within the framework of the European integration. Establishment of the effective legal and regulatory framework of the economy in Ukraine is quite a reachable goal. Legal regulation of the economic area must be flexible and it must timely and optimally respond to internal and external changes that will allow enhancing substantially national economic security. Practical importance of the scientific research results lies in detailing the "economic security" concept in the context of legal regulation, which is important for the successful social and economic development of the state, and it contributes to the identification of factors hindering economic development, it facilitates development and further improvement of the legal framework governing economic area and having impact on development of an effective economic crisis exit strategy. National economic security is not just one of the most important elements of the entire national security system as a scope of the national interests' protection but it is also a basic, critically important condition for observance and implementation of national interests. In view of the stated above, scientific researches in this area are relevant and timely within the period of search for the priorities of national economic policy. Methodology. A methodological framework of the economic security research is defined by a complex of scientific cognition methods that allow us to look at this problem as a mu...

The article examines the right of citizens to a constitutional complaint as a means of resolving a constitutional dispute. The concept of constitutional justice from the point of view of the theory of the state and law is considered and the role of constitutional justice in the system of protection of human and civil rights and freedoms is determined. Constitutionallegal dispute is a confrontation in the forms provided by the norms of constitutional law, the parties to the dispute -the subjects of constitutional relations, which, exercising constitutional rights and responsibilities, found contradictions over material and spiritual goods that are subject to constitutional regulation. Rights. Constitutional justice for a citizen is a means of influencing two branches of government -legislative and judicial. Such influence is the only legal remedy for the restoration of violated rights. The constitutional complaint from the standpoint of the Constitution of Ukraine and the law "On the Constitutional Court of Ukraine" is described. It is noted that the constitutional complaint is a petition of a citizen to check the compliance of the Constitution of Ukraine with the law of Ukraine applied in the final court decision in the case. The right of citizens to a constitutional complaint is a subjective right to establish in court the inconsistency of the legally established limits of constitutional human and civil rights and freedoms with the constitutional limits in order to protect the violated constitutional rights of a citizen. The sectoral affiliation of the disputed legal relations, the subject of the dispute and the special subject composition determined the consolidation of the basic principles of constitutional proceedings, the right of citizens to a constitutional complaint in the Constitution of Ukraine. The right of a citizen to a constitutional complaint is not the only way of judicial protection against violation of constitutional human rights and freedoms by law -to initiate constitutional proceedings to resolve a constitutional dispute may Ortinski Volodymyr, Khomyshyn Iryna be subjects of constitutional law by way of normative control, courts concluding that the Constitution is inconsistent. the law applicable to the case.

The article deals with the legal issues of countering gender-based violence in a posthumanism society in Ukraine and the European Union. The structure of the article consists of four chapters. The first chapter "General principles for countering gender-based violence in a posthumanism society" emphasizes that gender-based violence is a complex social problem. The second chapter, "Issues of formulating a definition of the term gender", analyses the historical aspects of the formation of the term gender, as well as the history of Christian NGOs' struggles with gender strategies in the United Nations and the European Union. The third chapter, "Development of gender equality strategy in a posthumanism society" explores the content of the concept of "Gender equality". The fourth chapter examines in detail the main provisions of the Convention concerning the struggle against gender-based violence as well as determines the issues of the ratification of the Istanbul Convention in Ukraine as European country. It is concluded that the introduction of modern forms and methods of combating gender-based violence, based on best international practices, requires the development not only of monitoring the effectiveness of legislation but also of monitoring the effectiveness of the activities of entities implementing measures of preventing and combating genderbased violence.