The defense which recognizes that some behaviors may be justified because a greater harm is prevented is:

defense of necessity

Explanation:

The description in the question refers to a defense of necessity. This is a court defense that applies when an individual commits a criminal act (usually during an emergency situation), but is done so in order to prevent a greater harm from occurring. Therefore, in these situations, the legal system tends to excuse the individual's criminal action because it is considered justified.

Important literary sources of medieval Indian history  Sultanate literature – These literature provides information about the social, political, economic, religious policy of the era of history. ... UtbeeFirdausi