It Appears That Many Business Firms Discriminate Against Hiring Young

It appears that many business firms discriminate against hiring young women of child bearing age in the United States and that this type of discrimination has been reduced in Europe.This may be an example of successful government intervention because

A) many European governments have laws against this type of discrimination.
B) many European governments subsidize maternity leave and child care,lowering the cost of hiring these women.
C) Europeans are less likely to discriminate on the basis of gender.
D) Europeans are more likely to discriminate on the basis of gender.