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After prospective challengers Yitzhak Rabin and Yitzhak Navon each announced on July 30, 1984, that they had decided against challenging Peres for leadership, Peres was left to be unanimously reelected without an opponent. At the time, polls showed Navon to be the nation's most popular politician, while Peres was shown by polls to be very unpopular.
References
Sinai, Ruth (13 Apr 1984). "Shamir gets nod to run for 2nd term". Newspapers.com. Democrat and Chronicle. The Associated Press. Retrieved 8 February 2022.