Is the united states as a country/nation/stat once again in a "critical period"

the answer would be in this answer. someone already asked the question.  

american political culture includes a plenty of focus views and preferences. not all westerns experience the same opinions, of course, but the large preponderance promises to these general ideas, including equality, justice, freedom, individualism, integrity, and difference.

the united states is a democratic republic. residents elect representatives to governmental, nation, and local administration; those deputies create the regulations that command u.s. community. although emptiness in u.s. law needs it, in usage, the administrative system is ruled by executive factions.

a) they had recently endured the tyranny of the british king, parliament, and its royal

answer; approx,300,000 ;