Myth Fighter has the article Monetary Sovereignty: The key to understanding economics.
The unlimited ability to create money is an uncontested fact for Monetarily Sovereign nations, although at any given time, economic growth, inflation, deflation, recession, depression and social factors may influence a nation’s decision to create money.
This article was published on August 13, 2010. The facts have not changed any since then. You can try to contest this fact, but that is on the same level of contesting gravity.
If you do not understand this, then you cannot talk about economic, monetary, or fiscal policy of the United States with any hope of saying something correct.