Samskaras are what cause human rebirth. In any other word, reincarnation. Samskara means inborn impulse. There are impressions, tendencies, and possibilities present in consciousness that have arisen through one's actions and thoughts, including those of earlier births. The sum total of samkaras form the person's character. In Buddhism, spelling is Pali sankhara; generally translated as formations, 'mental formation forces' or impulses. samskara refers to both the activity of forming and the passive state of being formed. See also, Reincarnation. Reincarnation_and_Hinduism