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Spouting Thomas's avatar

Maybe the biggest key you're missing is the power and institutional integrity of the national standing army. It's the difference between the central government being able to simply march in and arrest those declaring secession (see the attempted secession of Catalonia from Spain around a decade ago), vs. finding that it can't do that because there's an army in its way.

One big reason secession didn't happen in the 20th century, and wasn't even seriously discussed, is that the prospects for it were militarily hopeless; it would have been suicidal in a way that secession was not in 1860-61. Thus when Eisenhower federalized the National Guard to enforce integration, those orders were obeyed, with the certain knowledge that anyone disobeying would be punished.

The US Civil War was only possible because the standing army in 1860 was tiny, about 16,000 men under arms to defend a continent, the large majority of them west of the Mississippi. This meant that the overwhelming majority of military force was going to have to be raised rapidly, relying upon state and local militias as a base. This, combined with Buchanan's indecisiveness, gave the CSA the breathing room it needed to organize an army: about 4 months between the beginning of secession and Ft. Sumter, and another 3 months until two roughly equivalent, hastily-organized armies met at Bull Run.

Of course, armies can also disintegrate when a civil war happens, which is why the army's institutional integrity is important. The US Army lost about 20% of its officers to the CSA when the Civil War started; slightly more than the CSA's share of the unenslaved population (mainly because Southerners were overrepresented in the Army). That's not ideal, but still easily survivable; a larger standing army could still easily have crushed secession in 1861 or even 1860.

The prospect of army disintegration is most relevant if a majority of the army's recruits come from groups that are not loyal to the central government. E.g. the Syrian Army, on the eve of civil war, had to rely heavily on Sunni Arabs because Alawites are something like a 15% minority. When those Sunnis deserted, the pre-war army mostly ceased to exist as a force in being.

I think the case is strong that the officers in the US military today are loyal to it and want the US to remain intact and maintain the world's most powerful military, with the world's most expensive hardware. The US military has its own culture and has worked hard to break any sense of regional identity within its units, partly out of the experience of the Civil War, and it's a lot harder for individual soldiers to defect than entire units. So my expectation is that, in the event of a serious secessionist movement, the US military would see significantly less defection than the share of the population that supports secession, and it could therefore be counted on to swiftly suppress secessionists before they were able to begin forming a competing state.

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Bob's avatar

That was a fascinating article. I think you threaded the needle on "just controversial enough to make me uncomfortable" and "not actually a lunatic" very well, which is a great thing on Substack where it is not uncommon for me to realize I am subscribed to a lunatic due to the recommendation system. I would be very interested in data from other civil wars besides the American one, with the Troubles in Ireland being intuitively the most relevant example of long term civil conflict from cultural cousin.

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