Complex sentence: The story revolves around the 14-year-old Alem Kelo born in an area called Badme in Africa which, at the time the novel is set (1999/2000), was disputed by Ethiopia and Eritrea.
Split into simpler sentences: The story revolves around the 14-year-old Alem Kelo. He was born in an area called Badme in Africa which, at the time the novel is set (1999/2000) was disputed by Ethiopia and Eritrea.