I'm pretty sure the answer is A. Hope it helped.
To unite the slavs in every way
It alowed the tale to be spread not just orally but also to be written down and preserved better
Answer:
On cotton being traded
Explanation:
The broader and cultural development that equianos plea reflected on is the upon the cotton being traded.
Equiano believed that England would gain more by trading with free africans rather than by making them slaves. He laid emphasis on millions of people in africa who if left as free men in their country would double every 15 years