It is doubtful whether the south German…
1857 CE
It is doubtful whether the south German states, under Austrian influence, will actually allow Prussian troops to cross their territory.
When France announces support for Neuchâtel and Great Britain signals their readiness to back France in support of Switzerland, Napoleon III finally induces the Swiss in January 1857 to release the prisoners into temporary exile, on the understanding that he will then negotiate a final settlement of the main question in Switzerland's favor.