increasing farm income and correction of the structural imbalance of the national economy Development of basic industries and the economic infrastructure Maximum utilization of idle resources; increased employment; conservation and utilization of land Improvement of the balance of payments through export promotion Promotion of science and technology. Park ran for reelection in 1967, and became the president of the Third and Fourth Republic of Korea; he served for 16 years. Minjung movement Labor movements YH Company protest In August 1979, around 200 young female workers at YH Trading Company protested the company's decision to close down. YH had become a huge wig exporting company during the 1960s; however, the company's position had significantly deteriorated by the end of the 1970s. On August 7, 1979, YH Company closed down. The young women workers protested and fasted against the company's closure. The police got involved and forcefully removed the women from the building. During this violent action, one young worker was killed. Her death was significant and triggered many protest movements throughout South Korea. It may be considered one of the most important sparks of opposition towards President Park Chung-hee and the demise of his presidency. Gwangju Democratization Movement The Gwangju Democratization Movement, officially renamed the Gwangju Uprising in 1987, began on May 18, 1980. The citizens of Gwangju, seeking the abolition of martial law and the resignation of General Chun Doo-hwan, initiated the movement. As General Chun Doo-hwan and the military tried to maintain martial law, students and some civilians came together to demonstrate their disapproval. On May 18, 200 male students tried to enter a school that was forced into closure by officials. During the attempt, the students were heavily injured. Seeing this, civilians decided to join in but were stopped by military forces. In the end, many civilians were injured and killed, thus starting the Gwangju Movement. On May 19, as the movement grew to 5000 civilians, the military brought in an armoured motorcar and marched in with guns wielding fixed-bayonets. On May 20, 200,000 civilians marched through the military force and stopped all communications systems in the city so the military would not bring in reinforcements. Thus, Gwangju was freed. Chun Doo-hwan was the ROK army general and president of South Korea from 1980 to 1988. Chun started his coup by making himself head of the KCIA and keeping his position as head of the Defense Security of