Select and describe one of the key factors that influenced the evolution of the U.S. health care delivery system to what it is today. 

Select and describe one of the key factors that influenced the evolution of the U.S. health care delivery system to what it is today.

Course name: Health Care Systems

Topic 1, discussion question 2

Select and describe one of the key factors that influenced the evolution of the U.S. health care delivery system to what it is today.

What challenges and opportunities are still relevant?

How is the selected key factor affecting health care delivery today?

How might it affect future health care delivery?

Please provide minimum of 1 reference or more.