"The same like Cossacks and the Polish, in the 18th century Tatars fell as a pray of Muscovite Russia and disappeared from the world map."
Spelling error in -factions sections
...fell as PREY TO Muscovite Russia ....
"of in this sentence is used as possesive or relative.
It's the sword of the king, the clothes of the dead, the food of the poor, the tummy of the fat.
to pray is what you do for your personal belief, you pray to God, to Allah, Buddah, ...
A prey is a victim which is eaten, like a tiger that caught a monkey as prey. It's also used as a verb:
The tiger is preying upon that monkey. The monkey fell prey to the tiger.