Which statement best describes the battle of thermopylae?
a. three hundred athenians famously fought to the death.
b. the spartans evacuated, and the persians burned their city.
c. the greek navy defeated king darius i at sea, ending the threat.
d. the spartans worked to stop a second persian invasion of greece.

The correct answer is D, as in the Battle of Thermopylae the Spartans worked to stop a second Persian invasion of Greece.

The battle of Thermopylae took place during the Second Persian Invasion of Greece. The span of the battle extended seven days, being three the days of combat.

Enormously outnumbered, the Spartans stopped the Persian advance, strategically located in the narrowest part of the gorge (estimated 10 to 30 meters), where the entire Persian power wouldn't pass. On those same dates the Battle of Artemisium took place, where by sea the Athenians fought against the Persian fleet.

the answer should be monarchy

the romans were initially interested in expansion via sicily (which at that time was a cultural melting pot), part of which lay under carthaginian control. at the start of the first punic war (264-241 bc), carthage was the dominant power of the western mediterranean, with an extensive maritime empire