True salespeople, those who earned a living from selling, did not ...

[ssal]

True salespeople, those who earned a living from selling, did not exist in any sizeable number until
 a. the Industrial Revolution in the United States.
  b. after World War I.
  c. the Industrial Revolution in England.
  d. the United States declared their independence from England.
  e. peddlers began selling door-to-door during the latter phase of the Middle Ages.

Question 2

Which type of scale measures attitudes using a single adjective in the center of an even number of numerical values?
 a. ladder scale
 b. semantic differential
 c. Stapel scale
 d. Likert scale

[epscape]

Answer to Question 1

C

Answer to Question 2

c