Answer: D. Enforcing laws
Step-by-step explanation:
The separation of powers in the federal government calls for the Judiciary to interpret the law and the Constitution, the Legislative to write the law and the Executive to implement and enforce the law.
When it comes to policy implementation therefore, the Executive have the duty to enforce laws passed by the Legislative so long as they are Constitutional. They will do this by breaking down policies into actionable segments that once achieved, will result in the enforcement of law.