Plz answer! What was one outcome of the Persian Wars? Xerxes I became the leader of Greece.

The Persian Empire became part of Greece.

Athens and Sparta increased their power in Greece.

The Persian army took control of the city-states in Greece.

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.