John Muir is best known for his work in A) ending child labor ...

[rayancarla1]

John Muir is best known for his work in
 
  A)  ending child labor in factories.
  B)  protecting the purity of American food.
  C)  preserving America's wilderness areas.
  D)  fighting the railroads for greater passenger safety.
  E)  lobbying for an Equal Rights Amendment to the Constitution.

Question 2

Where was the American Federation of Labor's main source of strength?
 
  A)  Factories and mills
  B)  Skilled trades
  C)  Farm workers
  D)  Immigrant blue collar workers
  E)  Urban white-collar workers

[raenoj]

Answer to Question 1

C

Answer to Question 2

B