The correct option is D.
In both the democracy and the free enterprise system, the government plays its own role by making laws that protect both the public and the private companies. Price is the determinant factor of what is produce and for whom it is produced for.
Interchangeable parts allowed mass production possible in the early 1800s, these parts allowed unskilled workers to easily produce muskets in a short time. It has changed over time, but helped easily produce products in an assembly.
imma say c florida for sure
Berlin Wall was built last