Answer:
Correct answer is B. He convinced British citizens to oppose slavery by describing his own life as a slave.
Step-by-step explanation:
A is not correct as he wasn't as he didn't had any involvement in this revolution whatsoever.
B is correct as through his autobiography 'The Interesting Narrative of the Life of Olaudah Equiano or Gustavus Vassa, the African' he presented the harsh life of slaves and promoted the book across the country.
C is not correct as this bill - Slave Trade Act was introduced later after his death.
D is not correct as he wasn't engaged in economy.