An archaeologist was able to determine the sites by the bricks similar but was old found in the area where they lay railroads.
<u>Explanation:</u>
- While railroads were constructed in Pakistan the engineers were searching for ballast which is used for railroad construction to drain water from the railways.
- Archaeologists later discovered the settlements along the Indus river, thousands of clay pellets with writings older than Sumerian, combs, pottery, seals, urban, plans with grid pattern during the excavation process.
- Both Harappa and Mohenjo Daro is a part of Indus Valley Civilization. The period of the excavated materials and artifacts is determined by the process name called Radio-Carbon Dating in which the age of the carbon can be accessed.
It is probably more nearly correct to state that the Northern states offered more fertile soil for industrialization to grow and prosper than the South. The comments above about slavery are misstated. The Southern economy was indeed agrarian and dependent upon slave labor; however the reason for this is was that the economy in that portion of the country consisted of large scale plantations of staple crops, primarily cotton. It is manifestly incorrect to state...
