This is the 14575th most frequent Korean word.
미국내에서
"Within the United States."
Here, '미국내에서' implies within the boundaries of the United States, emphasizing the geographical or cultural diversity in this context.
미국내에서 다양한 문화가 존재합니다.
Within the United States, various cultures exist.
In this sentence, '미국내에서의' relates to the subject being discussed—specifically, the educational frameworks present within the United States.
미국내에서의 교육 시스템은 매우 복잡합니다.
The education system within the United States is very complex.
Here, '미국내에서' is used to specify the popularity scope of basketball, narrowing it down to within the region of the United States.