The mathematical decimal system was developed during the empire. Maurya Gupta Qin Daoism

Gupta Empire

Explanation: The number system was developed by a mathematician and astronomer named Aryabhatta in 498 CE. This system became known as the Arabic numerals, but it is really a Gupta accomplishment. Hope this helped! :)

the foundation of greek city-states: following the fall of the mycenaean civilization in the 10th century bc, the area surrounding the empire went through its own mini dark ages. answer and explanation

a system of cooperative federalism emerged, as the powers of the federal government expanded.