Basically, the rich is on top of the poor and they gets all the benefits from government.
I think the answer is option C, if I'm wrong please tell me
Ancient China's first civilizations formed near the Huang He, also known as the Yellow River. Just like other river valley civilizations, the Huang He would flood and leave behind large amounts of yellowish fertile soil called loess. The flooding of the Yellow River was both a good and bad thing for the Chinese.
Answer: C. The economy is characterized by dynamic change and imperfection.
Explanation: The natural rate of unemployment can be explained as the limit on the lowest or minimum level of unemployment a nation can achieve from standard resources or output. It has often been argued that even in healthy economies the natural rate of unemployment cannot be zero due to factors such as flexibility, technological replacement and some who lack the required skill to be employed, imperfect information. Flexibility or dynamic nature of the market affords individuals the opportunity to change or swap jobs, fresh graduate who may need a bit of time to find jobs, recession characterize the dynamic nature of the economy, imperfection in information in capital and labor market is also a contributing factor.