it does
Hadrians wall
The Danube River formed the northern boundary of the Byzantine Empire for much of its existence. It served as a natural barrier against invasions from various tribes and peoples in Central and Eastern Europe. The river was crucial for trade and military movements, facilitating connections between the empire and its northern territories.
their empire will get weaker
throughout Alexanders empire
Alexander conquered hi
India
Alexander conquered Egypt, Macedonia, and the Persian Empire.
From Libya to Central Europe - the same as the Persian Empire from whom he conquered/stole it.
Hadrian's Wall in Britain the Danube River in Continental Europe
Seleucus (Mesopotamian territories) Antigonos (Asia Minor) Ptolemy (Egypt) Also Kassandros (middle and northern Greece (Thessalia and Macedonia)).
The Tigris and Euphrates