The answer is that God controls world powers; He raises them up and He pulls them down. Jerusalem is central to God’s plan for mankind. It is from where Christ will reign during His millennium kingdom.
The Lachish Letters add to the large body of evidence that show that the people and places recorded in the Bible were real and that the events mentioned, actually took place.
Tests show that biological material can only last a few thousand years in our environment. Yet more and more soft tissue is being found in dinosaur era fossils. It can only mean, evolution did not happen.