Using your Chapter 3 textbook reading, websites, and/or related journal articles, describe in at least 5 substantive paragraphs (a paragraph is at least 5 sentences) how the evolution of the U.S. health care delivery system has changed the role of health information managers. Your discussion must include important legislation, including the Affordable Care Act. Then, choose 2 of the following additional themes that have influenced this evolution on which to focus your discussion: policy, leaders, professions, consumer engagement, technology. Refer to the evidence of change for each of the 3 selected themes in your discussion.