What contributed significantly to the rise of early states in Nigeria?

A.

Industrial revolution

B.

Arab trade routes

C.

European colonization

D.

Agricultural advancements

Correct answer is D

Agricultural advancements contributed significantly to the rise of early states in Nigeria. The development of farming led to economic growth and the formation of complex societies and states. It allowed for the production of surplus food, which could support a class of people who did not need to devote their lives to farming.