what? How can you speak of the civilization, as if them were unified at either of these points in times? Koine probably marked unification at least in writing,

what? How can you speak of the civilization, as if them were unified at either of these points in times? Koine probably marked unification at least in writing, not earlier than 300 BC if I recall correctly. On top of that, Linear A is not even clearly identified yet. A very interesting topic.