The statement that accurately describes the West African kingdom of Benin is:
"It dominated the rain forest and coastal regions of what today is the country of Nigeria."
The Kingdom of Benin, located in present-day Nigeria, was known for its advanced governance, artistry, and trade in various goods, but Islam was not a dominant cultural force there as it was in other regions of West Africa. The people of Benin were known as the Edo, not the Sunni, and while they did engage in agricultural activities, the kingdom was also known for its military strength and political organization.