The primary reason for the dramatic decreases in U.S. mortality ...

[mynx]

The primary reason for the dramatic decreases in U.S. mortality rates during the twentieth century is:
 
  a. the sharp decline in fertility.
  b. improvements in standard of living and nutrition.
  c. improvements in medical science.
  d. the more equitable distribution of goods and services.

Question 2

The first major cause of declining mortality in the West was:
 
  a. modern medicine.
  b. improvements in hygiene.
  c. vaccinations.
  d. improvements in nutrition.

[emilymalinowski12]

Answer to Question 1

b

Answer to Question 2

d