Premise: We have indicated that a national homeland security strategy  1) clearly define and establish the need for homeland security and its operational components, 2) clarify the appropriate roles and responsibilities of federal, state, and local entities and build a framework for partnerships for coordination, communication, and collaboration, and 3) create specific expectations for performance and accountability, including establishing goals and performance indicators.

Hypothesis: The strategy was to define the need for homeland security.
Relation: entailment