Concept:The British introduced a colonial development policy aimed at improving Nigeria's economic base through better infrastructure and increased agricultural output.
Explanation:In the 1930s, Britain wanted to develop its colonies in order to strengthen the empire's economy.
This policy focused on funding important projects like roads, railways, and agricultural improvement in Nigeria.
It was intended to improve living conditions and make colonial trade more profitable.
Among the options provided, the policy that matches this description is the Colonial Development and Welfare Act.
The other plans listed in the options came later and were either regional or more specific in purpose.
Therefore, the correct choice is option A.
Answer:A. The Colonial Development and Welfare Act