Answer:
Mauryan Empire
united Indian for the first time
ruled by Ashoka
used army to conquer territory
lasted only about 100 years
Gupta Empire
called India's "Golden Age"
used the modern numbering system
made great cultural advancements
lasted from 320-600 CE
expanded trade with Europe, China
Explanation:
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He modernized the Russian Navy. At the time, Russia's navy and military were falling apart but Peter the Great was able to turn it around and invade neighboring countries so that Russia would be able to use the Black Sea and many other valuable shipping ports.