How could people change their caste in life according to Hindu beliefs?

The Hindu idea of reincarnation kept the caste system alive. Hindus believe when a person dies, he or she is reincarnated as another being, hopefully in a higher caste. The only way to move to a higher caste in the next life is to strictly obey the rules of one's current caste.

Explanation:

beowulf is considered an epic poem because it describes the actions of a great warrior.

beowulf is taken into account an epos. in this poem, the main character may be a hero who travels nice distances to prove his strength at not possible odds against supernatural demons and beasts. in the poem, beowulf was a young warrior and he leaves his country to hrothgar, as hrothgar was in a great trouble.

the viking voyages took place during the middle ages, which was about this time. 500 to 1350. the viking voyages took place during the middle ages, which was about this time.