Three examples of the power of muckrakers during the late 19th and early 20th centuries? 1819 and 1820, not 1990 and 2000

Which is the main inference that can be drawn from adam smith's book the wealth of nations? a) for an economy to work flawlessly, it shouldn't have to serve and moral goals.b) the government must control a free-market economy, or economic problems will arise.c) a free-market economy works well only without the government's interference. d) free trade will only hurt economies and should be stopped by governments.

The civil rights act that passed in 1964

What specific events led richard nixon to resign the presidency