A key development that occurred globally during the classical era was: O A. the spread of democratic government.
B. the reduction of overall military conflict.
C. the expansion of cultural exchange through regional trade.
D. the decline in urban populations.

bibliography and citations to credit the sources hope this you if not my deepest of apologize ^w^

"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 installment plan of the 1920s, an arrangement that allowed people to buy what they wanted with a small down payment and pay off the rest in monthly installments, provided americans a way to own what they did not have the money to buy.