Answer:
Inoculation is a set of methods of artificially inducing immunity against various infectious diseases. The practice originated in the East before being imported to the Western world. The terms inoculation, vaccination, and immunization are often used synonymously, but there are some important differences between them.
Explanation:
The stratification factor in the old soviet union was based on the position that one held in the communist party. The communist party controlled power,politics, and religion. There was therefore practically no any other way that the stratification would be based.
The two advantages for Britain in prohibiting colonists from moving west of the Appalachian Mountains are...
1. Settlement
2. Proclamation
I think that spain would be the best answer
