2480
Regarding this , my standpoint is : because the socialism underpinned by planned economy , public ownership and the people 's democratic dictatorship is indeed a really " fresh " systemic thing for China in the mid and late 20th century -- without a model or sufficient experience or theories to refer to , no matter how scientific its kernel is , it is hard not to have certain superficial and local problems .
 geographical social political: China; date: the mid and late 20th century
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Answer:
 geographical social political: China; date: the mid and late 20th century