A reason for the amalgamation of the Northern and Southern protectorates of Nigeria in 1914 was

The reason for the amalgamation of the Northern and Southern protectorates of Nigeria in 1914 was economic expediency. The British colonial government wanted to consolidate its control over the territories and believed that merging the two protectorates would make it easier to administer and exploit their natural resources. The North had valuable mineral deposits, while the South had a more developed infrastructure and economy. By merging the two regions, the British hoped to create a more efficient and profitable colonial enterprise.