 Carlos Menem of the Justicialist Party (Peronist) served as president for ten years (1989-1999) and made a pact with Alfonsín in order to achieve a 1994 constitutional reform that would allow him to be re-elected.Following a neoliberal program, he ruled until 1999, and then Fernando de la Rúa of the Alianza, led by the UCR, won election.This marked the first time in decades that an Argentine president properly finished his term and passed on his charge to another democratically elected president.