Due - MONEY is debt. Credit that is UNSECURED and allowed to stand (the total balances on credit cards is in the mega-billions) - it has INTRODUCED MONEY into the system that would NOT be there otherwise.
The Federal Reserve Bank of San Francisco: Economic Research ...
www.frbsf.org/publications/federalreserve/annual/.../footnotes.html
Finally, as obligations of the United States, Federal Reserve notes are backed by the full faith and credit of the United States government. The "Federal Reserve ...

Finally, brethren, whatsoever things are true, whatsoever things are honest, whatsoever things are just, whatsoever things are pure, whatsoever things are lovely, whatsoever things are of good ...