BRAINLIST 5 STARS and a THANKS if u answer this plzz

Reform efforts were possible during the 1800s due mostly to

A. The wealthy that gave so freely of their time
B. Government officials who helped unite the nation in aiding various causes
C. The organizational efforts of their leaders
D. All of the above

because it !

"the sepoy rebellion was the result of many, many influences and stressors on the cultures of india living under british rule. in britain, it's called the sepoy mutiny on the indian mutiny, but in india, it's called the first war of independence.

the main reason is concerned to the british paramountcy , the belief in british   dominance in india political, economic and cultural life had been introduced in india about 1820."

"they were forced to grow crops that benefited the colonizing nations instead of feeding their own people."

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explanation:

the exodus of these people from constantinople contributed to the revival of greek and roman studies, which led to the development of the renaissance in humanism and science. byzantine emigrants also brought to western europe the better preserved and accumulated knowledge of their own greek civilization