Trouble is, church was never tasked with overseeing Caesar. The attempt to do so simply diluted the church.
But sure I’d like to see #1 encoded in any country’s law. Talk about a brouhaha! Not even Israel dares. You want it in the USA, give me another laugh.
The actual biblical approach to such affairs is known as “Noahide commandments.”
Power and money corrupt, like the ring of power in the LOTR. So, it would take a super humble George Washington to run any nation, or Moses. I’ll research Noahide commandments and I really want to read Judaic books on the rule of the Messiah.