they derive from the right of congress to make all laws neccessary and proper, to carry out its enumerated powers.
Answer:
Consumer spending plummeted, factories slowed down production, and companies fired workers. The wages of those still employed were cut, making it hard for people to support their families since all the money was gone. American consumers lost their homes to foreclosure and lost (or sold) many of their possessions.
I think it is A also because I am taking the same test in USA Test Prep.