A. introduction of Christianity
B. annexation of the Lagos Colony
C. emergence of economic adventurism
D. introduction of the indirect rule policy
Correct Answer: Option B
B. annexation of the Lagos Colony
Explanation
It must be stated with emphatic clarity that the annexation of Lagos as a ‘Colony’ in 1861 is significant to the effectuation of colonialism in Nigeria. All the other factors of economic advantage and the spread of Christianity are complementary and implied reasons.