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What if king Ferdinand II does listen to the competent (but liberal)
physician who wanted to operate on him and survives the leg abscess?

Does the expedition of the Thousand succeed? Does it happen at all?
Garibaldi was supposedly encouraged by his demise since he had a
strong following in the military and his successor didn't.

Does the Italian unification happen, eventually? And if so, with
what differences compared to OTL? Mere delay? Confederation?
All-out war?
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