This assignment delves into key sociological concepts, beginning with an examination of qualitative and quantitative research methods and their application to understanding the social world. It further explores the concept of alienation, its causes, and potential treatments, followed by an analysis of social movements and their role in advocating for social rights, using examples like 'Black Lives Matter' and the Guild Socialism Movement. The assignment also discusses sustainability and its principles, emphasizing the importance of balancing present needs with the needs of future generations. The second section focuses on the decline of community and social cohesion in contemporary society, examining theories from Karl Marx and conservative perspectives, as well as dimensions of social cohesion such as belonging, inclusion, participation, legitimacy, and recognition. It concludes by highlighting how the rise of digital technology and virtual communities impacts social cohesion, leading to a decline in trust, solidarity, and a sense of belonging.