Why does Gandhi go on a hunger strike after the policemen are killed? Does it
work?

Gandhi began a hunger strike in protest of the British government's decision to separate India's electoral system by caste. Gandhi believed this would permanently and unfairly divide India's social classes.

Explanation:

letter d is correct.

(202 bc - 220 ad) dynasty started by lui bang; a great and long-lasting rule, it discarded the harsh policies of the qin dynasty and adopted confucian principles; han rulers chose officials who passed the civil service exams rather than birth; it was a time of prosperity