To be terse, a population has to be ready to receive a system of government for it to work. It has to be organic and can take many decades to play out. Russia

To be terse, a population has to be ready to receive a system of government for it to work. It has to be organic and can take many decades to play out. Russia is an example. After centuries Empire and communism, they were in no way ready for democracy. Democracy may still work out some day in Russia, but not now. Also not now in Afghanistan. They need to work that out themselves.