 At the end of the Lead years, the PCI gradually increased their votes thanks to Enrico Berlinguer.The Socialist party (PSI), led by Bettino Craxi, became more and more critical of the communists and of the Soviet Union; Craxi himself pushed in favour of US president Ronald Reagan's positioning of Pershing II missiles in Italy.From 1992 to 1997, Italy faced significant challenges as voters disenchanted with political paralysis, massive government debt, extensive corruption, and organized crime's considerable influence collectively called the political system Tangentopoli.