Final answer:
Feature-Driven Development (FDD) is the first agile method to emphasize on delivering multiple measurable value requirements to stakeholders, focusing on small, client-valued functionalities known as features.
Step-by-step explanation:
The agile method recognized for being the first to include a unique component, specifically emphasizing the delivery of multiple measurable value requirements to stakeholders, is the Feature-Driven Development (FDD) method. FDD differs from other agile methods by focusing on features, which are small, client-valued pieces of functionality. This approach enables the delivery of tangible, working software repeatedly and frequently in a very short span of time, ensuring that stakeholder value is delivered consistently throughout the project.