1 The best aerobic workout to build endurance is one you can do for a sustained amount 2  â¦. Tips for Building Endurance and Strength Tips for running faster are in high demand across the Internet. 3  Runners everywhere are trying to figure out how to increase their speed and endurance.
Rivers are used for transportation, irrigation, generating energy and performing work, such as turning waterwheels. Rivers are also vital sources of fresh water for both industrial and residential applications.
In addition, the Tigris served as a main avenue for ancient commerce in the region, as goods and crops were shipped throughout the region using the river. Numerous empires and city-states such as Lagash, Ur, the Akkadians, and the Babylonians used the river as a means of transportation for troops as well as goods.