Answer:
imaginary line dividing Nigeria into north and south is the correct answer.
Explanation:
The “Middle Belt” describes the imaginary line dividing Nigeria into north and south.
The Middle Belt is a terminology used in social geography to specify a belt area extending over central Nigeria longitudinally and creating a transition region among Northern Nigeria and Southern Nigeria.
The Middle Belt has a very diverse population.
Around two hundred fifty ethnic groups in Nigeria, many residing in the Middle Belt are using around four hundred languages.
