sentences:  The AU has adopted a number of important new documents establishing norms at continental level, to supplement those already in force when it was created.These include the African Union Convention on Preventing and Combating Corruption (2003), the African Charter on Democracy, Elections and Governance (2007), the New Partnership for Africa's Development (NEPAD) and its associated Declaration on Democracy, Political, Economic and Corporate Governance.The historical foundations of the African Union originated in the First Congress of Independence African States, held in Accra, Ghana, from 15 to 22 April 1958.