Transportation.
Carbon dioxide.
Quicker easier travel.
As the first soldiers sent over the lines during offensives
Answer:
sorry dont know thanks for the points though
Explanation:
Because the east had fallen into what was called the " dark ages " many barbarian tribes ran a muck in the eastern empire after the fall of the "roman wall" holding the north barbarians from entering eastern Rome, many from the east tired to feel west to the Byzantine empire, many also did not make it.
Explanation:
I hope the points might help you
