Both the han dynasty and the roman empire were known for what? a: (decentralized political structures) b: (having governments dominated by a merchant class) c: (using examinations to select officials) d: (having long periods of stable government)

According to the article,"social credit" is question 3 options: an experiment to people talk on-line a farming experiment that hurt people under mao ze dong using someone else's data from the internet, to give or take away things such as the right to buy an airline ticket a credit you get in china for having friends in real life, and not just on social media