김종필
He then revised the Constitution on 27 October 1980. The revised constitution was slightly less authoritarian than its predecessor. Among other things, it changed the presidential election system. Although it was still an indirect election by the electoral college, opposition candidates were now allowed to enter. However, this had no effect on the political landscape. Chun had jailed most actual opposition politicians, including former NDP chairman Kim Young-sam, 1971 NDP presidential nominee Kim Dae-jung, and former prime minister Kim Jong-pil.