Final answer:
Meeting the demands of vendors or business partners is an example of ethical pressure faced by leaders, requiring careful balancing of stakeholder interests with adherence to ethical principles.
Step-by-step explanation:
An example of an ethical pressure that challenges the ability of leaders to do the right thing is b. meeting the demands of vendors or business partners. This type of pressure can potentially lead to a conflict of interest or compromise on ethical standards, and leaders must navigate these pressures while adhering to ethical practices. Ethical leadership requires the ability to balance various stakeholders' demands with a firm commitment to moral principles, integrity, and responsibility towards society's greater good. This is in line with normative moral theories, such as Confucianism, which emphasizes virtue ethics and the importance of moral leaders setting examples for their followers, creating an ethical and harmonious society.