Sure, and the answer is similar - the best system we had is evidenced by the best outcomes. Countries with monarchies had the best outcomes so we can conclude f

Sure, and the answer is similar - the best system we had is evidenced by the best outcomes. Countries with monarchies had the best outcomes so we can conclude from the data that the best system discovered and utilized at the time was monarchy. If we're not using empirical data to rank these systems, I'm not sure what else we could use to gain any confidence.