Complex sentence: In the 2008 general election UDEUR was not accepted either in The People of Freedom (PdL) of Silvio Berlusconi and the Union of the Centre of Pier Ferdinando Casini and was thus reduced to a regional party in Campania.
Split into simpler sentences: In the 2008 general election both The People of Freedom (PdL) and the Union of the Centre (UdC) refused UDEUR as coalition partner. The party was thus reduced to a regional party in Campania.