What’s the question though?
Answer:
Some individuals choose personal gains over the best for the private sector
They involved themselves in acts to gain more money which leads to corruption being introduced to the private sector
The both were not in the 20th century
This policy was called "containment" - the idea was to contain communism from spreading to new countries without trying to actively challenge the communist system in the countries that already had it.
This policy lead to some proxy wars, in which the US fought the Soviet Union for the free countries.
To obtain money, the Han emperors created a monopoly on iron and salt.
