Answer:
Increased numbers of working women ( A )
Explanation:
During World war II there was an increase in the number of women going into the labor market to work due massive increase in production , the production was due to the high involvement of American soldiers and weapons, experienced during world war II. and also
During world war II many industries went to massive production of goods to support the war and needed a very high amount of workforce to keep up with this production level, hence the number of working women increased tremendously during this period
