<span> Dien Bien Phu is the answer to your question</span>
Barbarian groups were able to weaken the Byzantine Empire<span> because the empire itself had several unprotected areas for warring </span>groups<span> to invade.
Hope this helps!
-Sammy</span>
Answer:
hope you like it
Explanation:
Alexander the Great's Satrapies in Northern India. The Seleucid–Mauryan War was fought between 305 and 303 BCE. It started when Seleucus I Nicator, of the Seleucid Empire, sought to retake the Indian satrapies of the Macedonian Empire which had been occupied by Emperor Chandragupta Maurya, of the Maurya Empire.