Korea (two countries in East Asia, North Korea and South Korea) / North Korea (a country in East Asia)

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

history / the study of history

a piece of research, a study, investigation

to research, to study

morning

the morning

(archaic) the morning, morn / (archaic) the morrow, next morning