Final answer:
The Enron case study highlights corporate ethics and responsibilities as a key aspect of business challenges.
Step-by-step explanation:
One key aspect highlighted by the Enron case study in terms of business challenges is Corporate ethics and responsibilities.
The Enron scandal was characterized by massive corporate fraud, deception, and unethical behavior. Key executives of the company were involved in manipulating financial statements, hiding debts, and deceiving investors. This case study emphasizes the importance of maintaining high ethical standards and fulfilling corporate responsibilities in the business world. Businesses need to prioritize transparency, honesty, and ethical decision-making to avoid similar pitfalls and maintain the trust of customers and stakeholders.