How do Mariam and Laila impact each other ? And Mariam and Aziza ? Also how does the Taliban impact Mariam ?

This is a lot for this short space.I'll do Mariam and Laila here. Both end up supporting each other under the tyranny of Rasheed. Although they are both his wives, they have much in common together. In the end Mariam will kill Rasheed for the welfare of her "sister".