This report examines business ethics through a case study involving Google and Facebook's role in the 2016 US election. It defines corporate social responsibility (CSR) using Carroll's pyramid, analyzing economic, legal, ethical, and philanthropic responsibilities. The report then investigates the case through the lens of normative and descriptive ethical theories, specifically Kantianism and Kohlberg's theory, evaluating the companies' actions based on duty, moral worth, and the reasoning behind their choices. Finally, it analyzes the stakeholder perspectives on business behavior, considering the roles of management, customers, and other relevant groups, highlighting how their interests and influence shape ethical decision-making within the context of the case study. The report emphasizes the importance of ethical conduct and its impact on corporate reputation and societal well-being.