while the two can be interchangeable, they are not always the same. the choice of this reflects a desired quality; a common example of this is the fighting spirit, in which a competitive nature is personified by warriors or predatory aniimals.

in which가 관계부사라고 하네요 . 그럼 when, where, why, how 중에서 뭘로 바꿔 쓸 수 있나요 ???
친절하고 정확한 답변 부탁드립니다 .