First let's imagine you decided to provide money system for others you got your money printer and you start issue the money you give this money as loan credit you issue this out of nothing to make sure they pay back or return you collateral wich could be commodities or minerals very well indeed you want those because your paper what you print out it got no value itself you give out this paper just to collect assets and other things then you also play with rates when you see borrowers return debt back to you too easy then it's not good so you have to hike rates so they struggle and you get their assets property and commodities and other collateral .....there is problem when you give out loans to countries or nations and they don't pay it means you need to do DEBT ENFORCEMENT, so someone else the another country must go and invade them this country will be my own personal DEBT COLLECTOR AND SO TO CALL IT LAW ENFORCEMENT so i will keep those kind of countries with strong military power and always with high military system and things like that to make sure that they can collect debts or over take land and commodities always.