Which institution of Confucianism influenced other Eastern Civilizations?

the spread of traditional medicine practices
the conservation of natural resources
the use of civil service exams
the use of mysticism to predict the future

The use of civil service exams influenced other Eastern Civilizations. Confucianism's emphasis on merit-based civil service exams as a means of selecting government officials was adopted by other East Asian countries such as Korea and Japan, and had a significant impact on their political and social systems.

Pick one answer

The use of civil service exams.