What was the most impactful incident between 1764 and 1776 and why?

1764 - The Sugar Act is passed by the English Parliament to offset the war debt brought on by the French and Indian War and to help pay for the expenses of running the colonies and newly acquired territories. ... 1764 - The Currency Act prohibits the colonists from issuing any legal tender paper money.

Explanation:

the answer is suffrage

"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."