Concept:The 1914 amalgamation of Nigeria was driven by the economic need to make the colony financially sustainable.
Explanation:The Northern Nigeria Protectorate was running at a financial loss.
It could not generate enough revenue to cover its own administration.
The Southern Nigeria Protectorate, in contrast, had a healthier revenue base.
The British colonial administration wanted to use Southern revenue to offset the Northern deficits.
Unifying the two territories created a single administrative and financial system.
This allowed the British to reduce costs and stabilise colonial finances.
Therefore, the major economic influence was the financial deficit in Northern Nigeria.
Answer:A. The financial deficits in Northern Nigeria