Qin Dynasty
The Great Wall of China's history began in the Spring and Autumn Period (770–476 BC), was first completed in the Qin Dynasty (221–206 BC), and was last rebuilt as a defense in the Ming Dynasty (1368–1644).
By having enough profit, Merchant could buy more lands and hire for soldiers for them.
This will make them had a similar power to those of the nobilities, making them go up in the social class
A primary source provides direct or firsthand evidence about an event, object, person, or work of art. Primary sources include historical and legal documents, eyewitness accounts, results of experiments, statistical data, pieces of creative writing, audio and video recordings, speeches, and art objects.
C. any law. The steps for making a law go bill, House/Senate ratification, Senate/House Ratification, then President's approval signature.