[☞Tips]: You had better consider whether political opportunities were given to more people at the time of each dynastic change or not, and if yes, to what extent. You will also need to clarify whether the civil service examination system of Choson actually gave more people more opportunities or not and conceptualize the nature of Koryo and Choson politics as aristocracy, bureaucracy, or anything else.(4) Discuss the economic bases of Korean aristocracy in the Silla, Koryo, and earlyChoson periods with emphasis on the land system. [☞Tips]: You need to think about detailed sub-topics such as the interpretation of the abolition and revival of the stipend village system in Silla, types of land ? Koryo aristocrats and Choson yangban possessed? It would be much better if you could provide whether the chronic problem of land distribution was eventually solved in the Choson dynasty and if yes, to why, how, and to what extent, or if not, why not.(5) Discuss the trend of Korean Buddhism in connection with the political situationsfrom the three-kingdom period to the Koryo period. [☞Tips]: You will need to provide the differences between Textual (Kyo) School and Meditation (Son) School in connection with political situations through all periods, such as Three Kingdom, late Silla, early Koryo, and late Koryo (Military rule). What schools (sects) rose to power and fell into decline according to political circumstances, and why? Etc.(6) Discuss King Kongmin's reform and its obstacles. [Tips]: What were the main☞problems of Koryo when King Kongmin ascended the throne? What did he want to achieve through the reform? What did he actually reform? Who supported his reform, and who opposed it and why?