The Levels of Government and Their Roles in Health Promotion Essay

I need an explanation for this Health & Medical question to help me study.

Describe the levels of government and their roles in the health promotion for U.S. populations. How does the state health department provide links between federal and local health agencies?

(remember to make clear connections with supporting information and course material in your answer) Your initial post should be a minimum of about 150-200 words and demonstrate clear understanding and application of course material and information from your reading.