Final answer:
Andrea has adopted a masculine approach to sex, characterized by pursuit of power and objectification of her partners, reflecting historical masculine sexual roles.
Step-by-step explanation:
According to the text provided, Andrea has adopted a masculine approach to sex. This approach is characterized by objectifying her partners and pursuing relationships purely for reasons of power, mirroring the cultural constructions around masculinity and dominance. Andrea's belief in sexual liberation through the objectification of male partners and power-focused relationships is a reflection of traditional masculine sexual roles, where maintaining a dominant position was central to retaining masculinity, as seen in historical contexts such as soldiers and sailor liaisons or male same-sex practices in prisons and mining camps.