The New York Journal of Commerce, editorializing on the continuing secessionist movement equates holding the voluntary Union together by force is tantamount to slavery:
Shall we, by such a policy [as war] change our government from a voluntary one, in which the people are sovereigns, to a despotism where one part of the people are slaves? Such is the logical deduction from the policy of the advocates of force.
[added 3/12/2022]
Subsequent Events:
Authority:
Article I of Amendment
ccc-2point0.com/constitution-for-the-united-states
References:
Thomas DiLorenzo, “Yankee Confederates, New England Secession Movements,” Secession, State and Liberty, David Gordon, ed., (New Brunswick, New Jersey and London: Transaction, 1998), 152.