 The process of privatization of Korean National Airlines in 1969 was supported by Park Chung-hee, the South Korean military general-president who seized power of the country through a military coup d'état; and the monopoly of the airline was secured for two decades.After widening the Jaebeol branches, the subsidiary corporations of Korean Air include marine and overland transportation businesses, hotels and real estate among others; and the previous branches included heavy industry, passenger transportation, construction and a stockbroking business.The nature of the South Korean chaebeol system involves nepotism.