Urthlings, being of a tribal ancestry thinks that folks who are the enemy are not their friend, so they/we enact rules & regulations to control those foreigners.

and sometimes the antagonists do likewise.

i just hate it when young men get kilt because of some strange king somewheres.

what would happen if we arbitrarily set up 300 countries in the world? how about 100?

surely there's a better answer, one or the other? i mean, we have choices, and can't all vote?