Answer:They were the first to pioneer trade routes down the Volga and the Dnepr; they opened the routes to Constantinople and the Byzantine Empire; they traded with the Franks and the Baltic; and they even opened up the routes to the far east.The exact reasons for Vikings venturing out from their homeland are uncertain; some have suggested it was due to overpopulation of their homeland, but the earliest Vikings were looking for riches, not land.The Vikings originated from the area that became modern-day Denmark, Sweden, and Norway. They settled in England, Ireland, Scotland, Wales, Iceland, Greenland, North America, and parts of the European mainland, among other places.
Explanation:
im sorry if this dont help you...
They were mostly found on the south side but was sometimes found on East side
No idea what primary research so i'm going to assume you mean primary source in which case it depends on the type of evidence, like if it's a personal account then that's a primary source but if it's someone telling of someone else's story it's not.
More men were drawn to the Roman army than to Alexander's army. The Alexandrian army was made up of Greek and Macedonian warriors. Alexander's troops fought for Greece and dignity. The Greek warriors' dignity provided them an advantage in those important fights. The Greeks had been fighting the Persians for so long that they had developed a loathing for them. Some of Alexander's warriors were not as powerful because, unlike the Romans, he had to seek support wherever he could find it. Alexander had no primary spot to which he returned after fights.