you always pick prominent, well-respected, honourable, non-partisan middle of the road people for that kind of thing. People who can be trusted to organise proper elections and not fuck shit up in the meantime.
Is this a joke? The US sidelined the main opposition forces who wanted to stay on good terms with both Russia and the US in favor of literal nazis. The new president was the leader of the "fatherland party" until he splintered it off into an even more conservative group which had a military council of nazi paramilitary leaders and was basically generically called "national socialist party"