However, in order to understand the overall context, it would be meaningful to explain the courses of classes that have changed from the year of 2011, when Korean was officially adopted as a third language for the first time, to the year of 2019, when the amendment was announced.
그러나 전체적인 맥락을 이해하기 위해 처음으로 한국어가 제3외국어로 정식 채택된 2011년부터 개정안이 발표된 2019년까지 어떤 변화가 있었는지 수업을 해 왔던 과정을 설명하는 것이 유의미할 것으로 보인다.