Question

The graph gives the death for infectious diseases in the United States between 1900 and 1996

Answer 1

the top one about improved health care 

Answer 2

Improve health practices.

Step-by-step explanation:

As seen on the graph every time there was a discovery in the field of medicine the rate of death decreases considerably. So the first option given is the correct answer because by those discovers the infectious deceases could be controlled.

I hope this answer helps you.