Compared to Spain, Switzerland, wedged between France and Austria, was even more tragic. Neutrality was nothing but a fantasy; small countries had no right to choose.
If Austria had courted Russia and Spain out of political necessity, then bringing Switzerland in was purely to make up the numbers.
It did not matter if they refused to take sides. Austria was peace-loving and would not force anyone to join. It was merely that when the postwar international order was established, non-belligerent nations would have no place in it.
Do not be fooled by how happily Switzerland had maintained its neutrality in the original timeline, even declining to join the European Union. That had rested on the rise of the United States and Europe's decline. If it remained outside the system now, its ultimate fate would merely be a question of how it died.
To say nothing else, a grain embargo would leave Switzerland hungry within a year; a tariff barrier would send Switzerland's fledgling industry straight back to the Middle Ages.
There was no need to doubt it. Postwar Austria would absolutely be capable of doing this. Neither defeated France nor the independent Kingdom of Sardinia would confront Austria for Switzerland's sake.
To put it bluntly, a hegemon needed to establish its authority as well. Usually, it killed a chicken to scare the monkeys. Austria was no exception. The only uncertainty now was who would become that unlucky chicken.
The first rule of survival for a small country was knowing which way the wind blew. After Spain declared war on France, the Swiss Government, unable to withstand the pressure, promptly followed suit and declared war on the French.
With the Anti-French Alliance's members assembled, Austria had finally gathered an irresistible tide of momentum. Even if the British personally entered the fray,