Answer:
Mesopotamian cities established trade all up and down the Tigris and Euphrates rivers and into Anatolia, today’s Turkey. Other overland trade routes went east over the Zagros Mountains into present-day Iran and Afghanistan. A busy sea route went through the Persian Gulf across the Arabian Sea to the Indus valley in what is today’s northern India and Pakistan. By the 3rd millennium, Mesopotamia trade went in all directions.
Explanation:
