I believe your answers is a..
The event or incident that triggered long standing tensions in Europe and was the immediate cause of ww1 was the assasination of archduke Ferdinard and his wife sophie, in sarajavo by a Bosnian student.
The New Testament is the document that standardized Christian beliefs.
New Testament is the second part of the Bible, which talks about Jesus and his miracles in more detail.
A. Seoul remained in the South and was the capital of SK. What makes it such a perilous position, is that it is located relatively close to the NK border.