Answer:
B. Enforcing laws
Step-by-step explanation:
Based on the information provided in the diagram, the option that best completes the diagram is:
B. Enforcing laws
The diagram shows that the executive branch has responsibilities in policy implementation, and one of those responsibilities is enforcing laws. Writing new regulations is a step in policy implementation, but once the policy is established, enforcing the laws that implement the policy is a crucial aspect of ensuring compliance and achieving the policy's intended outcomes. Therefore, option B is the best fit for completing the diagram.