MC National health care systems were established as early as the ...

[geoffrey]

MC National health care systems were established as early as the 1860s in Europe. National health insurance for the United States was first proposed in the
 
  A. Mid-twentieth century.
   B. Mid-nineteenth century.
   C. Early twentieth century.
   D. Late twentieth century.

Question 2

MC Ancient civilizations understood the importance of clean water. The group most associated with developing systems to ensure water purity were the
 
  A. Greeks.
   B. Romans.
   C. Egyptians.
   D. Aztecs.

[xiazhe]

Answer to Question 1

C. Early twentieth century.

Answer to Question 2

B. Romans.