Concept:The 1914 amalgamation was driven by British administrative and financial interests, not by Nigerian unity or external pressure.
Explanation:The Northern Protectorate was running at a financial deficit.
The British saw the wealthier Southern Protectorate as a source of revenue to support the North.
Merging both territories into one administration made governance cheaper and more efficient for Britain.
Therefore, the main motive was economic, specifically to make the Northern Protectorate financially viable.
This option best matches the historical reason for the merger.
Answer:C. Economic considerations, particularly the need to make the Northern Protectorate financially viable.