What stage served as a stage for roman politicians and philosophers

Cubists created artworks that depicted objects as

List two inventions that were invented in the united states before the american civil war

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.