How did the chandra gupta gain control of the commerce on the ganges river?

Nanda dynasty had full command over transportation & trade on the River Ganga. Chandragupta Maurya after killing the Nanda brothers (forgiving the old Emperor Mahapadma Nanda, who was his biological father) and considering the privilege of Emperor, had automatically got into control over that business.

The exclusive important effort in this way was to gain over Rakshasa Mantri, the Prime Minister of Nandas. Chandragupta's instructor & King-maker, Chanakya encouraged his protege to take (his opponent) Rakshasa on his team, as he was proficient at administrating the Empire properly. Rakshasa was so faithful to his past mentors (though proud & inefficient) that he planned to eliminate Chandragupta Maurya, utilizing his nubile child as a ploy or imitation. When all attempts deserted, Chandragupta requested to his real soul, inevitability & persuaded him to take over the obligation of the Imperial government. The trade & that too on the waterway of River Ganga was a section of this case. With the government in strong hands, the Emperor was free to draw out his army operations as in the suspension the territorial Satraps were interesting ideas of cutting loose from the Empire.

Chandragupta, I (319-335) was the one who conquers the Ganges River. He inherited a great fortune and power from his father that allowed him to expand the empire. He established his extensive kingdom from the river Ganges until the year 321.

Chandragupta II (375-413) gained commercial control from coast to coast because of the establishment of a second commercial capital in Ujjain, a very important point within the empire.

The weapons technology of the Gupta Empire was very advanced. They developed a powerful infantry of archers. The archers fired powerful arrows, capable of shooting down men or even elephants without difficulty.

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