What is one way the US government influences the economy?

Which would be good historical evidence when studying manifest destiny?

Me! why was marbury v. madison such an important case? a. it confirmed that the supreme court was more powerful than congress but less powerful than the president b. it confirmed the authority of the supreme court to review a law in to determine whether or not that law is constitutional. c. it confirmed the authority of congress to increase or decrease the power of the supreme court. d. it gave the supreme court the power to confirm federal judges.

I'm at least 150 words, evaluate the pros and cons of the internet and social media for those serving in government