The graph gives the death for infectious diseases in the united states between 1900 and 1996

  Improve health practices.

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.

he was in office from 1929 to 1933 and served as a reform governor, promoting programs to combat the economic crisis besetting the united states at the time. in the 1932 presidential election, roosevelt defeated republican president herbert hoover in a landslide.

explanation: