1. Barker

2. City-planning Street layout Brick buildings- uniform in size Uniform system of weight & measure Written language Sewage system & Indoor bathrooms Wells for access to water &plumbing system Trash collection system (chutes that carried garbage out of homes to street collection sites)

3. Mohenjaro “hill of the dead” People lived in sturdy brick homes Worlds first sewer systems Irrigation system provided of canals provided source of water Evidence of sheep herding, cattle and goats

4. Highly advanced in Mathematics Sophisticated scale of weight and measurement All bricks, even in nearby cities were all the same size Evidence of musical instruments, toys, games and pottery Practiced dentistry Had combs, soap, and medicines

5. Theories- Drought Earthquakes Invasion of warriors Exhausted the soil, overgrazed the land Cut down forests causing lack of trees and flooding