The economy of Mesopotamia was primarily based on Agriculture. The rivers of Mesopotamia (including Tigris and Euphrates ) made farming possible here. People of Mesopotamia planted a variety of crops including, wheat, vegetables, grapes, onion, apple, etc. They made attempts to control water on a large scale by used lakes, canals, drainage channels etc. They made use of forced labors but they were not completely dependent on slaves . They made use of Plows to moisten the soil before sowing seed.