Final answer:
The question relates to an ancient Mesopotamian city located on the Euphrates River, near the Persian Gulf. Mesopotamia, the Cradle of Civilization, encompassed cities like Ur, Babylon, and Nineveh that thrived due to rich soil and strategic water resources provided by the Tigris and Euphrates rivers.
Step-by-step explanation:
The sentence fragment you've provided is referring to an ancient city that was located on the Euphrates River close to the Persian Gulf. This description matches many of the key cities of ancient Mesopotamia, a region often referred to as the Cradle of Civilization. This historical area is defined by the Tigris and Euphrates rivers, notable for their contributions to the development of early urban civilizations.
Mesopotamia, situated in what is now modern-day Iraq and parts of Iran, was the birthplace of significant human development such as writing, legal codes, and intricate systems of irrigation. Famous Mesopotamian cities like Ur, Babylon, and Nineveh emerged in this fertile crescent, benefitting from the rich silt and water provided by the rivers, which were key for their agricultural and economic expansion.
The Euphrates River particularly, as part of Mesopotamian heritage, played an essential role in sustaining these civilizations, providing them with necessary resources for survival and prosperity. Hence, cities established along the Euphrates, near the Persian Gulf, enjoyed strategic and environmental advantages that contributed to their historical significance.