Question

mark twain labeled the industrial era in the united states the \gilded age\ to describe the (ssush11e)
extremes of wealth and poverty
achievement of the labor movement
absence of international conflicts
end of the practice of slavery

Explanation:

Mark Twain's "Gilded Age" refers to a period where outward prosperity masked deep social issues, most notably the stark divide between the extremely wealthy industrialists and the impoverished working class. The other options do not align with the core meaning of this label: the labor movement was a response to this inequality, international conflicts continued during the era, and slavery had already ended before this period began.

Answer:

Extremes of wealth and poverty