What was a defining feature of the celadon pottery created by artisans during the Koryo Dynasty?

Its use of bright red and gold colors for royal events

Its distinct green-colored glaze and graceful forms

Its heavy, thick-walled construction for everyday use

Its intricate paintings of famous battle scenes

During the Yi Dynasty, what major technological innovation was developed to make the printing of books more efficient?

An advanced form of woodblock printing

A new kind of ink that dried much faster

represent specific sounds in the language.

look identical to the Chinese characters they replaced.

be used exclusively for printing official government documents.

have a complex structure that was difficult for foreigners to learn.

The architectural style of Buddhist temples borrowed from China

The adoption of a government system based on Japan's