Read this sentence: A disruption of the federal union, heretofore only menaced, is now formidably attempted.
What is meant by “a disruption of the federal union” in this sentence

C. secession, or the breaking away of southern states from the Union

Explanation:

images of intense weather events

chapter i -- paris: september, 1792

a surging, seething, murmuring crowd of beings that are human only in name, for to the eye and ear they seem naught but savage creatures, animated by vile passions and by the lust of vengeance and of hate.

during the greater part of the day the guillotine had been kept busy at its ghastly work: all that france had boasted of in the past centuries, of ancient names, and blue blood, had paid toll to her desire for liberty and for fraternity.

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