Edited sentence: In some other areas, according other western travellers, many serfs were able to feed themselves.On the other hand, the CCP policy to force Tibetan to form people's communes and to grow wheat instead of barley left a legacy of poverty in Tibet and the region was the poorest in China by 1979.Prior to Communist takeover, Tibet was a feudal society.The CCP also made use of forcible corvée labor in order to build infrastructure and requisitioning supplies.The CCP did not abolish serfdom immediately after 1951, because China promised that it would preserve the existing social order: the Seventeen-Point Agreement makes that clear.The condition those serfs lived in varies based on location and land owners, some in extreme poverty and some can grow enough food to be immune to famine.There were two main classes: the serfs and the aristocratic serf owners