Final answer:
The Tang and Song dynasties in China implemented a meritocracy system that selected government officials based on their performance in civil service exams. This system strengthened the government by ensuring that officials were chosen based on their abilities and knowledge.
Step-by-step explanation:
The Tang and Song dynasties in China set up a system of meritocracy during the Middle Ages. This system involved selecting government officials based on their performance in civil service exams that tested their knowledge of Confucian texts and literary skills. Meritocracy strengthened the government of China by ensuring that officials were selected based on their abilities and knowledge rather than their social status or connections. This helped to create a more efficient and effective government that was able to govern based on the principles of merit and capability.