The trajectory of development perspectives on social change has evolved over time, with various sociological thinkers contributing to the understanding of how societies transform and progress. These theories have shifted from a focus on economic growth and modernization to a more comprehensive understanding of social change that includes culture, politics, and human agency. In this essay, we will discuss the theories of Karl Marx, Max Weber, Emile Durkheim, and Talcott Parsons, and how their perspectives have shaped the understanding of social change.

• Karl Marx: Historical Materialism and Class Struggle - Karl Marx’s theory of historical materialism posits that social change is driven by economic factors and class struggle. According to Marx, societies progress through different stages of economic development, from primitive communism to feudalism, capitalism, and eventually socialism and communism. In each stage, the dominant class exploits the subordinate class, leading to class struggle and eventually social change. For Marx, the ultimate goal of social change is the establishment of a classless society where resources are distributed equitably.
• Max Weber: Social Action and Rationalization - Max Weber’s theory of social change emphasizes the role of ideas, values, and social action in shaping societies. Weber argued that social change is driven by the process of rationalization, where traditional values and beliefs are replaced by rational, calculated actions. This process is evident in the development of modern capitalism, which Weber attributed to the Protestant work ethic and the rationalization of economic activity. Weber also highlighted the role of charismatic leaders and social movements in driving social change, as they challenge existing norms and values and introduce new ideas and practices.
• Emile Durkheim: Social Integration and Anomie - Emile Durkheim’s theory of social change focuses on the role of social integration and the balance between individualism and collective norms. Durkheim argued that societies evolve from mechanical solidarity, where individuals are bound together by shared beliefs and traditions, to organic solidarity, where individuals are integrated through interdependence and specialization. However, rapid social change can lead to anomie, a state of normlessness and disintegration, as individuals struggle to adapt to new social conditions. For Durkheim, social change requires a balance between individual autonomy and social cohesion to maintain stability and prevent anomie.
• Talcott Parsons: Functionalism and Social Systems -  Talcott Parsons’ functionalist perspective on social change emphasizes the role of social systems and their need to maintain equilibrium. According to Parsons, societies are complex systems of interrelated parts that must work together to maintain stability and order. Social change occurs when new needs or challenges arise, requiring the social system to adapt and reorganize its structures and functions. This process of adaptation and change is guided by cultural values and norms, which provide a framework for social action and the pursuit of collective goals.
     The trajectory of development perspectives on social change has evolved from a focus on economic factors and class struggle to a more comprehensive understanding of the role of culture, social action, and social integration. While each sociological thinker offers a unique perspective on the drivers of social change, their theories collectively highlight the complexity and interconnectedness of social processes and the need for a balanced approach to development that considers both individual and collective needs. As societies continue to evolve and face new challenges, these perspectives provide valuable insights into the dynamics of social change and the potential pathways for achieving equitable and sustainable development.