Answer:
C. comparing it to how the item is used today.
Brahmins; priests
kshatriyas; warriors, rulers
vaisyas; common people
sudras; unskilled workers
pariahs; untouchables
Because it was controlled by Russia who were communist, and the west was controlled by the US which was helping them develop their country again
The political boundaries of the U.S changed from 1845 to 1853 by increasing the territory and getting land as far out as California because the Americans fought the Mexican American war (1846-1848) that resulted in Mexico yielding the area we know as the Mexican cession have a nice day (: