Since the united states lacks a history of nobility, as in europe, many people in this country think of it as

Largely middle class

The United States is largely a middle class society since most of the population falls in this category. There is a small upper class of super wealthy people but most of the citizens are well educated and have a reasonable disposable income.

nothing certain is known about what happened, but it seems that the country declined gradually, perhaps due to bad government, or, more likely, due to a series of bad harvests, which resulted in widespread and recurrent famine.

a

explanation:

just took the test