according to China’s military plans
In 1964, the United States has formulated according to China’s military plans, trying to hit China out air force to the first atomic bomb experimental HeJiDe, and MBT Tembea intend to jointly by the Soviet union against China suppressed. Face war threat, MAO zedong and sensuality, from the central committee of the communist party in 1964 on apace combat readiness work, in the clouds, expensive, sichuan and shanxi, gansu and ningxia, green etc eastern MBT Lami provinces of “three line” rear areas, large-scale industry, traffic, defense infrastructure construction.
In 1964 to 1980, passed through uggs boots China during three five-year plan “three line” construction in 13 provinces, the state has invested heavily in the Midwest. Millions of workers, cadres, intellectuals, the PLA officers and ChengQianWan person-time migrant workers builder, in time, came to see advocaly of motherland, southeast, into coach bags the northwest of desert area of construction. In some sense, this also is a large population migration. The builders LouSuFengCan, shoulder man stirs, with more than ten years of hardship, sweat and life, build a web of large and medium-sized mining enterprises, scientific research units and colleges. Part of later called the western spine “, such as panzhihua and jiuquan steel coach outlet metallurgical bases, the jiuquan satellite launch center, xichang space gezhouba hydropower station, the liujiaxia, etc, panshui, coal base, ChengKun weihe XiangYu, guizhou, such as 10 railway lines, etc. This formed the Chinese reliable western rear technology industrial base, preliminary changed China Eastern and western unbalanced economic development layout, drive the Chinese mainland and in border areas of social progress, shorten the Midwest and eastern gap. “Three line” construction of the People’s Republic of China, is unprecedented in history of building strategy plan, is also a comparatively successful large population migration.