Public policy consists of a system of laws, regulations measures, courses of action, and funding priorities by a government or its representatives. Public policy decisions are often decided by a group of individuals with different beliefs and interests.
The policies of the United States of America comprise all actions taken by its federal government. The executive branch is the primary entity through which policies are enacted, however the policies are derived from a collection of laws, executive decisions, and legal precedents.
The correct answer is B: Both give most of the power to chief executives.