The big map tells the story. Israelites migrated, generally speaking, in three large waves into Europe across the Caucasas Mountains. The lost tribes of Israel never were lost. At least not to the God of Israel; rather they have forgotten who they are as part of their punishment.
Why is this important?
It will help you understand The Big Picture and you can begin to understand why the enemy is throwing the beasts of the earth against US to destroy US.