why did the diffusion of ideas and knowledge decrease during the ming dynasty?\nthe emperors used up…

why did the diffusion of ideas and knowledge decrease during the ming dynasty?\nthe emperors used up finances by sponsoring several expeditions to foreign lands.\nthe emperors promoted the study of politics and government over science and technology.\nthe emperors instituted a policy of isolationism, which limited trade and outside influence.\nthe emperors reintroduced confucian ideals which placed focused on family rather than education.
Answer
Answer:
The emperors instituted a policy of isolationism, which limited trade and outside influence.
Brief Explanations:
During the Ming Dynasty, isolation - like the sea - ban policy, restricted external exchanges, thus reducing the diffusion of ideas and knowledge.