In which of the following early civilizations could a peasant rise to a higher position by scoring well on an exam? Han China Harappan india Assyran Mesopotamia

The correct answer is A. Han China

Explanation:

In Ancient China, including during the Tang dynasty, the Song dynasty, and the Han dynasty, there was a system of examinations used to select bureaucrats. These examinations began in the Han dynasty but become a formal system only until the Song dynasty. This implied those that were part of the government were selected based on their merit rather than their social position, popularity, or family. In this context, a peasant or anyone in a low class could rise to a higher position if they obtained a high score in the Imperial examinations.

yes, since there is a positive and a negetive if the positive and negitive wasn't there wouldn't a flow electricity in it.