Answer:
Darius led military campaigns in Europe, Greece, and even in the Indus valley, conquering lands and expanding his empire. Not only resuming to military prowess, Darius also improved the legal and economic system and conducted impressive construction projects across the Persian Empire. 2017
Kingdom: Achaemenid Empire
Step-by-step explanation:
Darius was the greatest royal architect of his dynasty, and during his reign Persian architecture assumed a style that remained unchanged until the end of the empire. In 521 bc he made Susa his administrative capital, where he restored the fortifications and built an audience hall (apadana) and a residential palace.
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