This wasn't just about making a captive a wife; it was about incorporating her into a covenant people.
While this law might seem harsh by modern standards, its underlying intent was to regulate and humanize an already existing, often brutal, practice of warfare. God's law, even in its disciplinary aspects, aimed to restrain sin and establish order.
For the woman, if she submitted to her new life and potentially to the worship of the God of Israel, she could transition from a captive to a wife within the covenant community. This meant moving from a status of vulnerability and dispossession to one of belonging and protection under God's law.
It's crucial to remember that this provision was not a blanket endorsement of marrying captives but a carefully regulated allowance, emphasizing that true marriage required more than just conquest; it required a period of transition, respect, and genuine commitment, ideally leading to spiritual integration.