WI post-WW1, plebiscites see several nations and provinces declare themselves neutral?
Starting from the Swiss border, Alsace and Lorraine declare their neutrality, soon followed by the Rhineland and the Saarland and Luxembourg and Friesland. The next thing you know, Denmark and another Scandanavian nation declare themselves neutral.
Meanwhile, in newly-formed Yugoslavia, Croatia, Slovenia, Montenegro and Albania declare their neutrality?
So Europe develops a neutral corridor extending from the Adriatic all the way to the Arctic Circle.
All these neutral nations still want to trade with their neighbors, but refuse to allow foreign military transports to cross their borders.
Starting from the Swiss border, Alsace and Lorraine declare their neutrality, soon followed by the Rhineland and the Saarland and Luxembourg and Friesland. The next thing you know, Denmark and another Scandanavian nation declare themselves neutral.
Meanwhile, in newly-formed Yugoslavia, Croatia, Slovenia, Montenegro and Albania declare their neutrality?
So Europe develops a neutral corridor extending from the Adriatic all the way to the Arctic Circle.
All these neutral nations still want to trade with their neighbors, but refuse to allow foreign military transports to cross their borders.