The eternal duties (of men) had all been destroyed but by the exercise of Kshatriya duties they were revived. In every cycle of duties of Brahmanas regarding the atainment to Brahma first set in. These however, are all protected by kingly duties. The later, on this account, are regarded as highest.
नष्टा धर्माः शतधा शाश्वतास्ते क्षात्रेण धर्मेण पुनः प्रवृद्धाः। युगे युगे ह्यादिधर्माः प्रवृत्ता लोकज्येष्ठं क्षात्रधर्मं वदन्ति॥