<span>The civil service system and the merit system both hired the </span>government workers, based on their examinations and qualifications.
The banknote (also known as paper money or note) was one of them. Marco Polo was particularly surprised when he first encountered it. Banknotes were not made out of paper, but out of the bark of the mulberry tree. Other products or inventions included the compass, the gunpowder and the printing.
A democracy which Is the correct answer if you are talking about the 20th century