This assignment explores the concept of change management by examining the experiences of Tesco and Sainsbury, two leading supermarket chains in the UK. It analyzes the forces and drivers of change, including competition, customer preferences, economic factors, and environmental concerns, and their impact on both organizations. The assignment utilizes various models, such as the Burke Litwin model, ADKAR model, and Kotter's model, to understand the effects of change and how organizations can manage their responses. It also discusses the barriers to change, their impact on managerial decisions, and the role of leadership in driving successful change. The assignment concludes by evaluating the effectiveness of different leadership approaches in delivering change and how they can be integrated with frameworks like McKinsey's 7s framework.