a. In what ways does the government oversee and regulate the U.S. economy b. What environmental protections have been implemented by the U.S. since the 1960s? What impact does environmental regulation have on economic growth? c. What is the difference between fiscal and monetary policy? How do these measures help and hurt the U.S. economy? d. As the government takes a more active role in the economy, how have approaches to education and social welfare programs changed?