This is the 4819th most frequent Korean word.
공약했다
"공약했다" means "promised" or "pledged."
The word '공약했다' here is used to indicate a formal promise or commitment made towards supporting environmental protection.
그는 환경을 보호하기 위해 공약했다.
He pledged to protect the environment.
In this sentence, '공약했다' conveys the government's formal announcement or commitment to act upon economic stabilization.
정부는 경제를 안정시키겠다고 공약했다.
The government pledged to stabilize the economy.
The use of '공약했다' illustrates a candidate's formal declaration of their intended action regarding educational reform.