What had little effort during South Korea 's first 20 year of growth ?
The specific objectives of the economic plan were to strengthen the fuel , energy , and resource bases of industry through priority development of the energy and extractive industries ; to modernize industry ; to substitute domestic resources for certain imported raw materials ; to expand freight - carrying capacity in railroad , road , and marine transportation systems ; to centralize and containerize the transportation system ; and to accelerate a technical revolution in agriculture .