What natural advantage did the kingdoms of west africa have?

One of the greatest natural advantages that the kingdoms of West Africa had was easy access to the ocean, since they were primarily located on the coastline, which greatly facilitated trade with other nations.

d. migration of french settlers into english colonies

"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."