Maybe you were taught such in some socialist hellhole that passes for a school, but in reality America was built on the tenants of Freedom.
Life, liberty and the pursuit of happiness is what the Declaration of Independece talks about.
The Constitution sets down rules on how the Federal Government is to operate which mentions nothing about restricting capitalism or Business practices.
The Bill of Rights enumerates things the government is not allowed to do like restricing free speech or unreasonable search and seizures, etc.
"...the very fact that a corporation has to be registered and falls under governance laws shows that it is not a wholely independent entity."
OK, if we take that approach YOU have to be registered with the government as well (Drivers license, Marriage license, Income taxes, Birth Certificate, etc.) so by your definition your rights can be restricted as well. This idea you are putting forth has been tried before but most of it ended when the Berlin wall fell.
First, lets keep to the rest of my quote: I said in international trade. America, up until post WW2, had very strong protectionist measures and all they accomplished was making the US into an economic power house. Yup, those Founding Fathers were just plain ignorant, didn't pay attention to the Free Trade suicide of the British and French empires that was in progress under their noses.
Actually no, we didn't become a true economic powerhouse until World War TWO. Just prior to that in the thirties were had fallen into the deepest Depression to date mainly due to Hoover trying to stop a recession by introducing even harsher protectionist policies. Then along came FDR and he took us deeper into socialism with his Keynesian Policies.
What got us out of the Depression was the war and all the war goods we sold to Europe. Socialism took a heavy toll from the forties till the eighties then Keynesian Policies were thrown over for Hayek's ideas and we have been rolling ever since.