Which sentence best summarizes the system of government that darius i introduced in the persian empire?
he split the empire into provinces headed by local leaders, but he kept the military under his control.
he divided the empire into independent kingdoms whose kings had to pay a yearly fee to him.
he created councils to rule over towns and villages and ruled the council leaders from his capital.
he created a single, central, governing body whose decisions were applied throughout the empire.

The sentence that best summarizes the system of government that Darius I introduced in the Persian Empire is the first one of the chart, that says that he split the empire into provinces headed by local leaders, but he kept the military under his control.

Darius I was the third king of the Achaemenid dynasty of Persia from the year 521 to 486 BC; he inherited the Persian Empire at its zenith; including the Iranian territories, Elam, Mesopotamia, Syria, Egypt, the north of India and the Greek colonies of Anatolia.

Darius I divided the Persian territory into satrapies, assigning his management to a powerful governor, with wide powers, the satrap; but maintaining military power for himself. He implanted a unified monetary system, organized the traditional legal codes of Egypt and made Aramaic the administrative language of the western regions of the empire. He also promoted construction projects, especially in Susa, Pasargada, Persepolis, Babylon and Egypt.

a phrase from a poem by ralph waldo emerson about the battle of lexington and concord. emerson's words read, “here once the embattled farmers stood / and fired the shot heard round the world.”