Answer: around the yellow river valley
Explanation:
May I see the answers you can choose from? This is likely to be a multiple choice question, and I can't help without knowing the full question.
The answer is all of these
The imperial education and examination system in China is estimated to have been founded as early as the Han dynasty (206 BCE to 220 CE), and is strongly based on meritocratic ideals that persist in Chinese education to this day.
