Final answer:
The white man's presence in Igboland is most likely explained by European colonization during the era of European exploration and exploitation of African resources.
Step-by-step explanation:
The Most Likely Explanation for the White Man's Presence in Igboland
Based on historical context, the most likely explanation for the white man's presence in Igboland is the era of European colonization in Africa. During this time, European powers sought to establish colonies and exploit resources in Africa. The white man described by Obierika may be an early European explorer or missionary who arrived in Igboland.
Learn more about European colonization in Africa