The development and expansion of political parties in the United States of America, which is closely related to the expansion of voting rights of the country's population. Study of the impact of population stratification on presidential elections.

Fair elections as a guarantee of democracy in the USA. Constitutional mechanisms of division of powers between branches of government. The role of political parties in the election process. The fight between Trump and Biden in 2020 for the presidency.

The study of the effectiveness of nitrogen fertilizers for winter wheat and their impact on the yield. Approximation of the timing of nitrogen fertilizer application to the preparation stages. Winter wheat yield depending on fertilization system.

The average values of economic claims of entrepreneurs with different orientation to competitiveness in the payment foreign market. The impact of subjective well-being scale on workers ' wages. The specifics of the monetary relations of the businessman.

Research and characteristics of the issues of environmental pollution in Kazakhstan and energy production from renewables. Analysis and consideration of the expediency of separating hydropower from renewables at calculating the total energy produced.

Analysis of the results of irradiation of thin films of zinc selenide 500 nm thick by an electron beam and their deposition by evaporation. Analysis of the optical properties of both irradiated and untouched samples using an ultraviolet spectrophotometer.

Study the effect of EMAP II, IFN- 2b and its medicinal preparations on the amount of O6-methylguanine-DNA methyltransferase (MGMT) protein in human cells in vitro. The effect of medicinal preparations. Changes in the methyltransferase gene expression.

The entrepreneur’s behavior, and its influence on the company’s risks and performance. Problem of the long-term strategy. Investigation of entrepreneur’s activities in the company’s life cycle. The investigate motives towards business in the long-term.

Analysis of the features of building a transpiration intensity model based on multiple linear regression. Study of the close correlation between the intensity of transpiration of tomato plants by solar radiation, relative humidity and air temperature.

Ensuring the economic and financial security of Ukraine under martial law. Planning, organization and control of enterprise activities in crisis conditions. Assessment of the state of the stock market. State policy on privatization and nationalization.

The use of by-products as pea straw in combination with humus or microbiological fertilizer and treatment of plants with biostimulants increased the yield of winter wheat. Content heavy metals in winter wheat grain under ecological fertilizer systems.

European gas market. Gas consumption, production and demand in Europe: key trends. Gazprom: export strategy within the Russian market. The concept of liquidity and its significance for the natural market. Gas pricing: oil indexation and hub-based prices.

The concept of @pedagogical interaction@ in the context of changes caused by European integration and globalization processes in education. The personality of a university lecturer as a subject of pedagogical interaction in the system of higher education.

Study of educational and educational potential of the family in Ukraine. The role of the family in the social, economic and political organization of human society. The influence of parental styles of raising children on the level of success of children.

Definition of "life success" concept in humanitarian studies. The impact of cultural capital on the formation of the concept of "life success" for Polish and Ukrainian students. Parents' education as a component of cultural fund of student's family.

Study the problem of increase the reliability of auxiliary machines for electric trains during operation. The boundary values of the quality parameters of electricity supply. Influence of electric energy quality on heating of the auxiliary machines.

To determine the influence of the system of mineral nutrition and care of winter wheat crops on the formation of grain yield in the Western Forest-Steppe. The data are given of results of researches in cultivation of winter wheat on intensive technology.

The study of the expediency of using carrion siderates for indicators of the agro-ecological condition of the soil. The influence of carrion siderates on indicators of productivity, product quality and its ecological safety of corn and sunflower.

Determine the influence of fertilizers on the species composition of the microflora of the soil under mustard. Methods. The sowing of mustard seeds was carried out in a cardboard container with an area of 142 cm2, which was filled with typical chernozem.

Chemical compositions of Portland cement. Possibility of using waste glass in building technology. A structure alkaline compounds. Study of fine-grinded glass. Influence additives on the induction and post-induction periods of Portland cement hardening.

Transit of natural gas along the territory of Ukraine to the countries of the Western and Central Europe. Main resons of the loss of pipeline efficiency. Necessity for studying of the operation modes of the gas transport system during underloading.

Influence of parents' genotype and microclimate parameters on productivity of dairy cattle. Applying of effective breeding methods. Study of the environment, assessment of the productive qualities of animals for growing in different types of buildings.

The analysis of the countries of Europe and the diversity index of the terrain expressed as a variable responsible for geography. The study of natural resources and agriculture at the global level and their impact on the development of economic growth.

Essence and indicators of globalization. Influence of globalization and international organization on health of the African population. Directions for improving the impact of globalization and international health assistance in the African Region.

Influence of Cu2+, Zn2+, Ni2+, Cd2+, Al3+ and Cr6+ on the pigment synthesizing yeasts Rhodotorula glutinis 1333. Yeasts ability to lose pigment under different heavy metals concentrations. The certain metal concentrations’ presence in the medium.

The study at investigating the influence of Information and Communication Technology on effectiveness of inventory control in the public senior high schools on the way to healthy green development. Specific objectives were to determine the role of ICT.

Escalation the fight against environmental pollution in conditions of uncertainty. Use of information technologies in training and management of buffer stocks. Development of green technologies and innovations in Kumasi. Ecological control of resources.

The connection between the development of the physiology of the nervous system and the state of psychology and philosophical thought in the 20th century. Ideological distortion of I. Pavlov's teachings in the field of physiology by party structures.

Ilyas Efendiyev's contribution to the development of national prose, drama, theatrical art, literary-critical-public opinion. The influence of the most outstanding writers of Azerbaijani literature as the founders of the school of performing arts.

Analysis of the effectiveness of police operations regarding the use and non-use of special means. Criteria for assessing effectiveness: efficiency, productivity, time minimization, reliability of optimization. The most economically effective option.