Step 1: Chronological Ordering of Philosophies
The historical sequence of ethical theories is: - Stoicism (A): Earliest, 3rd century BCE, emphasizing virtue and self-control. - Kantian Deontology (C): 18th century (Immanuel Kant), emphasizing duty, moral laws, and rational action. - Utilitarianism (D): 19th century (Bentham, Mill), advocating for actions that maximize happiness. - Emotivism (B): 20th century, stating moral statements express emotional responses.
Step 2: Conclusion The correct order is A, C, D, B.
Final Answer: \[ \boxed{\text{The correct answer is 1. A, C, D, B.}} \]