No, a preposition is often used to describe where usually following a noun, such as in, on, with, by, and etc.
"But" is a coordinating conjecture. Hope this helps.!
Answer:
power, independence, and masculinity
Assuming that you're referring to the excerpt about a woman who was criticized because she's not quitting her job because she got a baby
She felt that the man is simple minded and simply not intelligent enough understand that she need the job to pay the bills, so rather than responding verbally, she chose to display her retort in other ways
hope this helps
