Sorry I don’t speak English I really wish I could help maybe if you translate the question to me in Spanish I could help you out sorry I couldn’t help
Answer:
Aramaic
Explanation:
At the beginning of the 5th Century BCE a lingua France was adopted as a unifying factor for the western half of the Empire stretching from Libya to Persia: Aramaic
Hope this helps :)
The four river valley civilizations were the Tigris & Euphrates Valleys, the Nile River Valley, the Indus River Valley, and the Yellow River Valley. Civilizations developed around rivers because their waters provided places to hunt and fish. Also, as the rivers flooded, the lands around them became fertile.