This analytical essay delves into the concepts of horizontal inequality, fragile states, and the factors that contribute to conflict. It defines horizontal inequality as socio-economic and political disparities arising from group-based differences, contrasting it with vertical inequality, which focuses on income and wealth distribution. The essay explores the causes of horizontal discrimination, including unequal access to resources and rights, and examines its impact on mental health and the rise of right-wing populism. It further defines weak or fragile states, highlighting their inability to provide basic services and maintain control, making them susceptible to internal and external threats. Finally, the essay discusses the roles of greed and grievance as drivers of conflict, emphasizing their interconnectedness and the role of discrimination in fueling both emotions. The essay utilizes scholarly sources to support its arguments, providing a comprehensive analysis of these complex issues.