A. urbanization of towns and cities in Nigeria
B. arrival of slave trading in Nigeria and Africa
C. motivation of a continued colonial rule
D. uneven development of the regions in Nigeria
Correct Answer: Option A
A. urbanization of towns and cities in Nigeria
Explanation
The colonialists invested in raw materials and industries for their extraction employed both skilled and unskilled labour. All of these activities led to the urbanization of the vicinities around these industries.