Answer: Social responsibility.
Explanation: The action portrayed by Gap Inc. demonstrates an expemplary attitude worthy of emulation which nails down the principle of social responsibility by organizations. This principle looks beyond the profits and revenue generated by the company but also aims to play it's role and ensure that it's actions does not violate or degrade social ethics. The closure of some facilities due to human right violation and subsequent enforcement of compliance with the code and conduct is a strict signal towards the company's strict stance at supporting and enforcing social responsibility.