Thus sacrifices were introduced and many religious rites came to be performed. In the Treta Yuga men began to devise to attain an object and they attained to it by performing (religious) acts and (giving away) gifts.
ततो यज्ञाः प्रवर्तन्तेधर्माश्च विविधाः क्रियाः। त्रेतायां भावसंकल्पाः क्रियादानफलोपगाः॥