Soviet Russia, Nazi Germany, Unionist France?

Welcome to yet another attempt from me to use my favorite alternate history ideology, the quick and easy ecumenical pragmatic authoritarianism of Ian's Unification timeline, unionism.
I originally proposed that a variant of the ideology is adapted by a revolutionary Chinese Republic. But then again, it might be odd for a non-Western nation to adapt a (up until then) theoretical system of government out of Western philosophy.

So, what if an alternate timeline that's basically OTL except Maxwell Jameson was real and he did present a mildly popular brand of thought for some time, Unionism came to power in the post-war Depression era, when everyone was trying new forms of government? I mean, besides fascism and communism there was all sorts of wacky things such as technocracy and Social Credit. So could Unionism (or a hypothetical offshoot thereof) have become popular somewhere in Europe other than for Soviet Russia, Nazi Germany, parliamentary monarchy Britain, and Catholic-Fascist Italy and Spain? What about France? Perhaps Unionism, with its revolutionary appeal, less exclusive (compared to fascism, and even communism in some ways) nature, and rally-round-the-flag appeal, could have taken root in the country that changes governments like whores change dresses.
 
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