Kennan felt that the Munich agreement was no longer necessary because of two reasons. The first reason is that the defenses of the Czech people are very strong while the second reason is that apparently the German people are very much prepared to remove Hitler.
Contextualization
Mongol's military invasion led the empire to spread extensively. They are recognised as nomadic horsemen from the eastern steppe of Asia. The Mongols presence in Afro-Eurasia led to the decline of established early empires.
Argument 1
The Mongols affected the Russian culture by incorporating Asian characteristics into their culture.
Document 6
We can see this in the historical situation where the Mongols defended the Russians against the Europeans strengthening their bond.
Argument 2
The Mongols helped develop places for education like universities and colleges.
Document 2
Sorqotani Beki, the wife of Ulugh-Noyan’s death gave 1000 silver balish for a college to be built in Bokhara.
Argument 3
The men of Tauris attracted many merchants due to their incredible handiworks making the region flourish.
Document 1
This attracted many merchants from India and the western countries spreading their culture and beauty.
I don't know if this is right or not, but this is what I wrote.
That would be attorney general Alexander Mitchell Palmer. He oversaw the Palmer Raids.
Hope this helps! :)