The economy you described in your question is called a market economy. It has free markets and the production of goods and services are determined by the consumers.
Watt aided the Industrial Revolution even more when he discovered a way to make a steam engine turn in circles. This made it possible to use steam engines for purposes other than pumping water out of coal mines. As a result, Watt aided the Industrial Revolution by making steam power far more useful for driving machinery.
In clearer terms, James Watt aided the Industrial Revolution by improving the Newcomen steam engine, resulting in a new, more efficient engine.
Hope this helps and if it does, don't be afraid to give my answer a "Thanks" and maybe a Brainliest if it's correct?
Charles L. Eidlitz was chosen I believe
Generally speaking, the "rule of law" refers to the constitution or implied constitution of a state or country that determines how all laws are made and enacted--something that no law of government action can go against.