This creates friction. Since the two materials are running against each other.
It was a treaty signed on december 29th 1835 in New Echota, Georgia by officials of the United States government and representatives of a minority Cherokee political faction, the Treaty party
Gupta Empire:
Expanded trade with Europe, China.
Made great cultural advancements.
Used the modern numbering system.
Invented standardized weight system.
Mauryan Empire:
United India for the first time.
Ruled by Ashoka.
Used army to conquer large territory.
Lasted only about 100 years.
Hope that helps.