Answer:
c. civil service examinations
Explanation:
In order to fill government positions, the Tang, Song, and Ming dynasties all used CIVIL SERVICE EXAMINATIONS.
In ancient China, imperial examinations were used to select government officials using written examinations and this use of meritocracy was influenced during the Tang Dynasty.
The Tan, Ming and Song Dynasties all used examinations to test the knowledge of candidates on subjects like Chinese classics, poetry and administrative issues.
<span>United States of America refused to enter 1920 when Warren G. Harding came to the presidency, although, as we mentioned, Wilson was his promoter. Germany was denied entry, but joined in 1926, to leave again after Hitler's accession to power in 1933. The Soviet Union was also denied entry, acceded in 1934 and was Again expelled in 1939 Japan left in 1933 and Italy in 1936. In addition, the league never had the economic or military means to impose its resolutions. The thirties marked their ultimate failure. The aggressions of the fascist and militarist powers showed their inefficiency. The beginning of the Second World War meant the end of the first world organization of nations. Among the same peace treaties with which World War I ends, includes the creation of the League of Nations or League of Nations, which had US President Thomas W. Wilson as its great promoter</span>