Question

how did marriages helped leaders to defend empires​

Answer 1

Answer:

The Maurya Empire was founded in 322 BCE by Chandragupta Maurya, who had overthrown the Nanda Dynasty and rapidly expanded his power westward across central and western India in order to take advantage of the disruptions of local powers in the wake of the withdrawal by Alexander the Great ‘s armies.

According to legend, the teacher Chanakya convinced his disciple, Chandragupta Maurya, to conquer the the kingdom of Magadha (the Nanda Empire ) when he was insulted by its king Dhana Nanda.

Chandragupta Maurya expanded the Maurya Empire north and west as he conquered the Macedonian Satrapies and won the Seleucid-Mauryan war.

In its time, the Maurya Empire was one of the 

Answer 2

Answer: as by making matrimonial alliances they had two advantages - they would be able to get the country by marrying the countries princess and they could not get attacked as they get the country into their kingdom.hope this helps.

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