B. It would increase the standard of living. Countries with higher literacy rates have higher standards of living.
Social stratification refers to a system which people in a given community are divided into layers according to their relative property, power, and prestige. Great Britain has a class system that is divided into a class system that is divided into lower, middle and upper classes of which only 1% of the population falls under the upper class of the most powerful and highly educated, while the rest is evenly divided into middle and lower (working) class.
The former Soviet Union mainly focuses on socialism with no division of social classes, through this citizens contribute their labour to the common good and receive according to their needs.
The manifest destiny is the belief or a doctrine that existed in middle of 19th century ,that it was the destiny of the united states to expand its territory over the whole of north america .