understanding, comprehension / appreciation

the (historical) Eight Provinces of Korea

to study / to learn

important, significant

importance, consequence, significance

understand, comprehend / appreciate

South Korea (a country in East Asia) / (history, archaic) Korea (former empire in East Asia) (1897–1910)

(archaic) Korea (an empire in East Asia; contemporary North Korea and South Korea) / alternative form of 唐国 (Karakuni; Karakoku, “China”)

culture

history / the study of history