They conquered Egypt, Syria, the Persian Empire and some parts of North Africa.
They thought it was a good idea more helpers more work done
It helped publicize their music and helped their music spread to different countries.
Emperor Taizu set the policy that most of the governing officials should beConfucian literati who passed the imperial exam, which was known as the Keju examination in ancient China. Thanks to this policy, many ordinary people became officials by studying hard.
The North had a better economic than the South, so the North had more troops to fight the war. The North had railroads, steamboats, roads, and canals for faster transport of supplies and troops.