Information: - The Fifth Republic of South Korea was the government of South Korea from 1979 to 1987 , replacing the Fourth Republic of South Korea . Throughout this period , the government was controlled by Chun Doo - hwan , a military colleague of the assassinated president Park Chung - hee . This period saw extensive efforts at reform . It laid the foundations for the relatively stable democratic system of the subsequent Sixth Republic in 1987 . - The Coup d'etat of December Twelfth (Hangul: 12.12 ; Hanja: 12.12 ) or the "12.12 Military Insurrection" was a military coup d'etat which took place on December 12, 1979, in South Korea. - The Fourth Republic (Hanja:; revised romanisation:je-sa gonghwaguk) was the government of South Korea between 1972 and 1981, regulated by the Yusin Constitution adopted in October 1972 and confirmed in a referendum on 21 November 1972. From 1972 to 1979, power was monopolized by Park Chung Hee and his Democratic Republican Party under the highly centralized authoritarian "Yusin System". With the assassination of Park on 26 October 1979, the Republic entered a period of tumult and transition under the short-lived nominal presidency of Choi Kyu-hah, controlled under severe escalating martial law and witnessing the coup d'etat of December Twelfth, the violent unfolding of the Gwangju Democratization Movement and its armed suppression, the coup d'etat of May Seventeenth and presidency of Chun Doo-hwan, and finally the transition to the Fifth Republic under Chun in 1981. - Choi Kyu-hah (July 16, 1919 October 22, 2006), also spelled Choi Kyu-ha, was the fourth President of South Korea between 1979 and 1980. After reading the paragraphs above, we are interested in knowing the entity with which 'fifth republic of south korea' exhibits the relationship of 'inception'. Find the answer from the choices below. Choices: - 12 - 16 - 1972 - 1979 - 1980 - 1981 - 2006 - 22
A:
1981