 The Fundamental Principles, a constitution, was introduced by the government in April 1980, and several non-PDPA members were allowed into government as part of the government's policy of broadening its support base.Karmal's policies failed to bring peace to the war-ravaged country, and in 1986 he was succeeded as PDPA General Secretary by Mohammad Najibullah.Najibullah pursued a policy of National Reconciliation with the opposition, a new Afghan constitution was introduced in 1987 and democratic elections were held in 1988 (which were boycotted by the mujahideen).