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.

sola scriptura

sola fide

sola gratia

solus christus or solo christo

soli deo gloria

i dont know the answer sorry but if i knew it i would of told you