WORLD CIVILIZATION

Detailed explanation-1: -Cambyses II (Old Persian: , romanized: Kaᵐbūjiya) was the second King of Kings of the Achaemenid Empire from 530 to 522 BC. He was the son and successor of Cyrus the Great ( r. 550 – 530 BC) and his mother was Cassandane.

Detailed explanation-2: -Cyrus later was killed in 530 BC and his son Cambyses became the next ruler of Persia, followed soon after by a new man named Darius. According to Herodotus, Darius was a smart king.

Detailed explanation-3: -Following Cambyses was Darius I, who ruled from 522–486 BCE. Darius was not the son of Cambyses, but was the son of a provincial governor in the empire. After the death of Cambyses, Darius led the coalition against the imposter who had seized Cambyses’s throne, thus earning himself the right to rule.

Detailed explanation-4: -Cambyses II, (flourished 6th century bce), Achaemenid king of Persia (reigned 529–522 bce), who conquered Egypt in 525; he was the eldest son of King Cyrus II the Great by Cassandane, daughter of a fellow Achaemenid.