 Complete the following phrase:  In the 1990s, Pepetelas writing continued to exhibit interest in Angolas history, but also began to examine the political situation in the country with a greater sense of irony and criticism. His first novel of the decade, the 1992 A geração da utopia, addresses many of the issues first raised in Mayombe, but from the perspective of the post-independence reality of Angola. The Angolan Civil War and intense corruption in the government both led to a questioning of the revolutionary values espoused in the earlier novel. Ana Mafalda Leite describes the novel as a critical and sceptical book, not to say a book of disillusionment, certainly one far removed from Mayombes heroic virtues. In this novel, Pepetela analyzes his characters psychologically in greater depth than he had done in his earlier works and assumes a very critical stance. The novel, spanning three decades, is divided into four parts, each of which covers an important aspect of Angolas 20th century, including Portuguese colonial oppression, 