A. east into Tibet, China and then northeast and south
Explanation:
Buddhism refers to a religion of the Indian people and it is considered to be a way of life through committed meditations. Buddhism began in India then spread east into Tibet, China and then northeast and south through pilgrims.
Generally, Buddhism is focused on the following philosophies;
Samsara: beliefs on the cycle of death and rebirth.
Dharma: beliefs on duties or ethics.
Karma: beliefs that there are consequences for every action or intents.
Moksha: beliefs on salvation or the liberation from death and rebirth cycle.
Artha: beliefs on being prosperous.
Kama: beliefs on desires and passion as an aim of humanity.
Buddhism is a religion that teaches people about the spiritual principles of cause and effects such that an individual's action or intent in the previous life influences their life in the future (rebirth). This is explicitly explained by the Karma theory of Buddhism, it states that the circumstances an individual is experiencing in his or her (present) life is as a result of their actions in the previous life.