Answer:
Korea and may other states in Asia had a tributary relationship with imperial China. Their rulers were supposed to send annual tributes - gold, jewels, animals, etc. - to the Chinese emperor. China was the center of the Asian system, the highest civilization of all and its ruler was superior to anybody else, the Son of Heaven did not have equals. It was the practice during the Ming dynasty and later.
Explanation:
Avignon Papacy is described as the period wherein seven successive popes were from Avignon, France rather from the traditional home, Rome. This happened from the period 1309 to 1377. The importance of Avignon Papacy is that, it improved much of the organization of the Church, which established major offices that is still operating until the present. They also supported missionary activity as well as scholarship and arts.