What are two changes in our nation’s health that have led to the need to create new nursing roles?What are two changes in our nation’s health that have led to the need to create new nursing roles? What historical influences have or have not had an effect on community health nursing roles today?2.Direction of Nursing(2nd page)What are the differences between community health nursing, public health nursing, and community-based nursing practice? How have these programs created a major influence in the direction of nursing?