A mixed economy permits private participation in production, which in return allows healthy competition that can result in profit.
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Answer: The Tang and Song Dynasties of China provide a glimpse into ancient Chinese splendor and reveal Chinese advances in all aspects of human life. The Ming Empire undertook colossal building projects, such as the Great Wall, was top in technology, and made epic explorations. The Mongols were so successful because of their excellent horsemanship, lack of supply trains, superior battle tactics, use of fear, and Genghis Khan's intellect.
Explanation: Hope it helps :)
Assuming your talking about Europe. At the bottom of the system there are Peasants, the lowest and most common. They work on fields and trade and barter. Next are knights. They protect the Peasants and Nobles. They usually get paid in gold or the Peasants goods. Next are Nobles, the rich. They buy Knights to protect them and are right below the king. They usually hire Peasants to work on their land for little pay. Lastly the king. They control everything. They have knights and Nobles and oversee everyone.
1.They had to switch to a specific school 2.certain schools had more money than other schools based on race
