The vast expansion of employment opportunities for women in the 1950s
a. led to the advent of the pink-collar ghetto of occupations.
b. created a dual role for women as homemakers and workers.
c. fueled a social revolution that raised questions about gender roles. d. included women filling a substantial percentage of the new jobs created in the clerical and service industries.
e. All of these choices are correct.

e. All of these choices are correct.

Explanation:

Before 1950's, majority of women in the United State spent their time working as homemakers and mothers, keeping the house clean and the family fed and also some job were particularly selected as women job such work include working as a teacher, nurse, secretaries, , sales clerk,stewardess, bank tellers or clerical workers,librarian etc

However, number of employment for women changed relatively much more by the 50's,The vast expansion of employment opportunities for women in the 1950s

a. led to the advent of the pink-collar ghetto of occupations.

b. created a dual role for women as homemakers and workers.

c. fueled a social revolution that raised questions about gender roles. d. included women filling a substantial percentage of the new jobs created in the clerical and service industries

your list doesn't mention any of them at all.

and what does "these" mean anyway ?

answer: are there any

explanation: