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It's leaders conquering small kingdoms across India.

Explanation:

The Mauryan Empire (321 BCE - 185 BCE) was a powerful political unit emerged after the death of Alexander the Great. Its founder was Chandragupta Maurya.

chlorofluorocarbons are released via: aerosol sprays and refrigerants.

i confess that there are several parts of this constitution which i do not at present approve, but i am not sure i shall never approve them: for having lived long, i have experienced many instances of being obliged by better information or fuller consideration, to change opinions even on important subjects, which i once thought right, but found to be otherwise. it is therefore that the older i grow, the more apt i am to doubt my own judgment, and to pay more respect to the judgment of others.