Original sentence: After the relationship with communist government worsened, Dalai Lama fled to India in 1959, and communist government started to abandon serfdom.Another historian Goldstein argues that although serfdom was prevalent in Tibet, this did not mean that it was an entirely static society.Author Israel Epstein interviewd a head of village government during his travel to Tibet in 1965, the person recalled that he had had to hand over several sons and daughters to the manor for an even worse life as household slaves or nangzan, because they were too poor to keep them alive.But in some other areas, according other western travellers, many serfs were able to feed themself efficiently.However, discussion of this subject is hanicapped by the lack of solid data.Many serfs were allowed to grow their own crops and vegetables, under communist system.Sources from many origins argue that the percentage of serfs was anywhere from 20-90 percent of the population.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 several types of serf sub-status of which one of the most important was the "human lease" which enabled a serf to acquire a degree of personal freedom.This was because it offered an alternative in which, despite retaining the concept of lordship, the serfs were not bound to a landed estate
Edited sentence: After the serfdom was ended by the communist party in the early 1960s, many serfs were allowed to grow their own crops and vegetables, under communist system.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.The CCP did not abolish serfdom immediately after 1951, but made use of forcible corvée labor in order to build infrastructure and requisitioning supplies.The condition those serfs lived in were similar to the serfs in Europe's Middle Ages