Answer: Well, Simply, you'd need some type of survival training, let's saying theoretically this world had some equivalent features to earth itself, you'd first need to gather sticks and rocks make a campfire then build a tent out of certain things in the woods, to survive the first night early morning would be the best time to head out and try to find resources or even civilization, if nothing is found, the other way of survival would be to get a large stick and with anything sharp your's want to shape part of the stick to be pointy thus making it a spear and trying to catch fish with it.
Answer:
the first one financial profit
and 2nd one physical profit
I think all of those places are in Greece.
Coining of money: FEDERAL GOVERNMENT
Fire and police protection: STATE GOVERNMENT
Schools: STATE GOVERNMENT
Army and Navy: FEDERAL GOVERNMENT
Treaties with other nations : FEDERAL GOVERNMENT
Highways and roads: STATE GOVERNMENT
Local courts: STATE GOVERNMENT
So, I'd say that Coining of Money, Army and Navy, Treaties with other Nations are most powerful.
This probably didn't help but I hope it did! :D
-LavenderVye