This is the 14481st most frequent Korean word.
문제였던
"문제였던" means "that was a problem."
문제였던 in this sentence refers to 'was a problem,' describing the state or nature of the situation.
지난밤에 발생한 문제였던 상황은 이제 해결되었습니다.
The situation that was a problem last night is now resolved.
문제였던 here indicates 'was problematic,' focusing on particular aspects that had issues.
문제였던 점을 잘 분석하여 개선하려고 합니다.
I plan to analyze and improve the problematic aspects.
문제였던 signifies 'posed issues,' emphasizing the book's problematic nature for the students.