See video below, Aleksandr Solzhenitsyn.
The "Jewish Problem" was never as simple as Jews lived in Western Nations where They were unwanted and therefore discriminated against. Jews were given haven after all. The problem continually arose because Jews were consistently incapable of co-existing while living within the borders of Western nations.
https://www.theapricity.com/forum/showthread.php?86641-World-cephalic-index-map
The Khazars Craniometry, is in Europe, the most concentrated area is Switzerland.