The answer is b.
i hope i helped!
"<span>C. It had thin stone walls supported on the outside by flying buttresses" does not</span> apply to Gothic architecture, since the walls were often very thick.
Answer B I did this question in my history class
The US, like much of the free world has a mixed economy.
Capitalism with protective government regulations. Unbridled capitalism would eventually self destruct, as does pure socialism/communism.