This is the 4428th most frequent Korean word.
했으며
"했으며" means "and did" or "and has done."
In this sentence, '했으며' connects the completion of the project with the promotion, indicating a sequence of accomplishments.
그는 프로젝트를 성공적으로 완료했으며 팀장으로 승진했습니다.
He successfully completed the project and was promoted to team leader.
Here, '했으며' is used to link the actions of studying hard and spending time with friends, showing both happened sequentially.
나는 어제 공부를 열심히 했으며 친구들과 즐거운 시간을 보냈습니다.
I studied hard yesterday and had a great time with my friends.
The term '했으며' signifies completing the protection activities and the resulting community awareness enhancement, demonstrating causality.