Smaller countries have often been shown to perform better than large countries in terms of overall income and in economic growth. Also, their populations often enjoy more healthy and safe social environments.
Robert Murphy defines some of the conventional “monetary aggregates,” such as M1 and M2, and gives the textbook rundown of how the Federal Reserve and commercial banking system “create money” when the Fed buys assets and the commercial banks extend new loans.
The lack of state-to-state border controls has often served as an excuse to increase federal regulation of all states in the name of "uniform" laws. We've seen this with guns, drugs, alcohol, and migrants.