I haven't read the book, but it seems like he wants to earn Fortunato's trust so he can easily get his revenge in the end.
"Women have increasingly attained higher levels of education and experienced....." This best illustrates the influence culture has on traditional female roles. As the world changes, so does culture. Women do not think to just stay at home and have a domestic life, they now think for themselves and get higher education to get the job they want. Culture has changed and instead of women staying at home, they look for work. This shows how much the traditional female role has changed.