Something china and japan have in common is
they borrowed and adapted western ideas.
they remained true to their cultural traditions.
they industrialized to improve their economies.
they have a history of strong cultural traditions.

The correct answer is "they have a history of strong cultural traditions"

Explanation:

The cultural traditions found in China and Japan are among the most ancient and respected among their people. Just to name one of each, China's traditions are largely influenced by Confucianism a doctrine 2500 years old which emphasizes in respect for others, family and social harmony; Japan's traditions are largely influenced by Shintoism and Buddhism, which could be noticed by the multiple religious altars where meditation is practiced.

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