Document 1, the cause is evident as Wang Youpu emphasizes the internal possession of basic ceremonial elements, promoting cooperative and obliging behavior. In Document 2, the cause is expressed by the chief Fathers of the Order of St. Paul, desiring learned priests to bring books of the Law and the Gospel for thorough learning. The effect is the potential for cultural and religious exchange, fostering understanding and harmony between different societies. shorten and rewrite like a 8th grader

In Document 1, Wang Youpu explains that when people have certain basic customs and manners, they are more likely to work together and be nice to each other. In Document 2, the important leaders of the Order of St. Paul talk about wanting priests to bring important books so they can learn more about the Law and the Gospel. The result could be that different societies can learn from each other and get along better.