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:

the pogroms became known as kristallnacht, the "night of shattered glass," for the shattered glass from the store windows that littered the streets. the morning after the pogroms 30,000 german jewish men were arrested for the "crime" of being jewish and sent to concentration camps, where hundreds of them perished.

d) iowa i believe is the answer