Answer:
Nigeria would be best categorized as a mixed economy.
Explanation:
A mixed economy is a system in which a country allows economic freedom and defends private property, but it also permits governmental interference in certain areas with the purpose of assisting in social matters. In a way, a mixed economy puts together characteristics of capitalism as well as socialism, or of market economies and planned economies. From the description in the question, we can easily conclude Nigeria is a mixed economy.
B) it
those, them and they don't fit as more than one thing
Answer:
Ocean/Sea
Explanation:
They were all located on separate land masses, allowing for each city to act like its own state or nation.