The novels of Chinua Achebe keep a record of secret history of African clan in the 20th century. He investigates the changes of the clan especially the decline of rural ethics through the protagonists' ethical identity, thus reflects the changes of the clan politics and social mechanism. This article reads Achebe's novel against the social background of ethics, religion and law when Africa was under the colonial force. Through the close reading and the historical context of text, the article analyzes Ezeulu's ethical tragedy from the perspectiv...
