- (으)로
→ It is a postposition meaning a cause or a reason.' Usually, it goes along with the cause of an accident, an illness, or a problem.
Example:
1. 내일은 북태평양 고기압의 영향으로 전국이 맑겠습니다.
The influence of the North Pacific anticyclone will bring sunny skies over the country tomorrow.
The influence of the North Pacific anticyclone will bring sunny skies over the country tomorrow.
2. 병으로 죽는 사람보다 사고나 전쟁으로 죽는 사람이 더 많다고 해요.
I was told that there are more people who have died from accidents or wars than from diseases.
3. 한 군인의 실수로 전쟁이 시작되었습니다.
The mistake made by a soldier has led to war.
가: 이번 화재의 원인이 뭔가요?
What is the cause of this fire?
나: 전기히터의 과열로 불이 난 것 같아요.
I think the fire was caused by overheating of the electric heater.
가: 올해의 추수 상황은 어떻게습니까?
How is the harvest this year?
나: 지난번 가뭄으로 남부 지방은 피해가 많습니다.
Due to the last drought, the southern provinces have suffered a lot.