WORLD RELIGIONS

Detailed explanation-1: -To the east, the Achaemenid Empire had been growing in strength. In October 539 BCE, after the Battle of Opis, Cyrus the Great entered Babylon, and Babylonia was incorporated into the Persian Achaemenid realm as a satrapy.

Detailed explanation-2: -Although he encountered a struggle, he had attacked successfully and captured the queen’s son. After her son committed suicide in Cyrus’s captivity, Thamaris swore revenge and finally succeeded in both killing Cyrus and defeating his army.