Who fought each other in the Persian Wars

Greek states and Persia

Explanation:

The Greco-Persian Wars, also known as the Persian Wars, was a series of wars that lasted for almost half a century (499-449 BC or BCE). It was a battle between many Greek states and Persia. These Greek states include Athens, Sparta, Thespiae, Thebes, and many other Greek city-states. The war ended 30 years after the major persian invasions ended when the Peace of Callias was enabled, ceasing the hostilities between the Greek States and Persia.

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.

napoleon the third became a empire in 1873 also known as the era of the franco-prussian war.