What prompted Darius I to lead a Persian invasion of Greece? Themistocles trapped and destroyed the Persian navy at Salamis.
Dozens of Spartans fought the entire Persian army at Thermopylae.
Persia supported Sparta against Athens in the Peloponnesian Wars.
Athens supported a revolt of Ionian Greeks against the Persian governor.

Which is likely the most serious problem associated with an epidemic? 1. there are sometimes no cures to the diseases that spread. 2. people often die from the diseases that spread. 3. there are usually no ways to prevent people from getting ill. 4. people often don’t know they have a disease.

The photograph shows children in germany after wwi. the photograph was most likely taken to show?

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.