President Pancho Villa

How much divergence is needed to make Pancho Villa President of Mexico. Is a TL where the Central Powers do better in long World War One and Carranza starts leaning towards Germany say by imposing an oil embargo on Britain, could the British suddenly become supporters of Villa. Sidney Reilly turns up in a Mexican border town.

This is a two part question of course. Part two is how Villa would do as President of Mexico?
 
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