Which term best descibes the populations in the nations of northern europe heterogeneous homogeneous plz

The right to protest against the government is a civil

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.

World war 2 was caused, in part, by which of these factors?