Which of the following best describes the border between North and South Korea?(1 point) Responses It is a frontier without an actually defined border. It is a frontier without an actually defined border. It is a border between countries at war that is marked by a natural physical barrier. It is a border between countries at war that is marked by a natural physical barrier. It is a militarized border because of an unresolved conflict. It is a militarized border because of an unresolved conflict. It is a long, open border marked by a buffer zone.
