The

Silla
were so closely connected to the Tang dynasty that Korean elites used Chinese as their written language. They set up a statewide academy that trained government officials in the philosophy of
Confucianism
.true?

True. The Silla Kingdom of Korea maintained close relations with the Tang Dynasty of China, and as a result, the Korean elites adopted Chinese as their written language. They established a state-sponsored academy called the Gukhak (National Academy), which trained government officials in Confucianism and other Chinese philosophy.