What is significant about the fact that the second amendment has not been applied to the states

This question is outdated and wrong.

In 2010, the Supreme Court ruled in DC v Heller that the Second Amendment applies to the States. This was the first time this was done, making it a pretty important case.

president franklin roosevelt supported the tva as part of his first new deal measures approved by congress in 1933. this new agency was designed to control floods, produce electric power, and improve the lives of people living in the tennessee valley. the tva accomplished many of these goals despite problems.

several states had passed similar laws, but they were limited to intrastate businesses. the sherman antitrust act was based on the constitutional power of congress to regulate interstate commerce.

you answered my friends question just to get the coins you didn't even give a valid response.