it is difficult question 때문에 is because of what~ (i using this word when i want blame to person or just some happen.) 그들은 소음을 만들었기때문에 나는 더이상 공부 할 수 없었다. ( i cant study anymore. because they are made some noise.) 바람에 it also because of what ( but it is depend, its not blame to person {but its can be too}, more close meaning to just ture.) 친구가 내 방에 오는 바람에 공부 할 수 없었어 그래서 그냥 친구랑 영화봤어 my friend came to my room i cant study, so i just watched movie with friend