self determination

the reason that a one world government would not work is because every country considers it their own right to start wars with other countries, 

it would just lead to countries revolting against one world government and then back to what was before 

but if every goverment in every country is guided or even controlled by an android or group of androids, 

that seems more sinister, 

but it works good enough, 

as long as it's voluntary 

if every country has their own android that guides or controls their government, that would be stable for a long duration of time, 

as long as it's voluntary