Mountains.
It protected them from intruders and invaders.
Soldiers
Answer Not Varied
The name of the wall that protected the roman empire from barbarian invaders is called Hadrian's Wall. Hope that helped! ;D
it protected them from invaders and wars!
It protected the city from invaders.
They settled in northern Italy.
It protected them invaders.
himilayan mountains
The Po river is the river in Northern Italy.
Northern Italy is industrial.
They Egyptians were protected because the Nile valley was surrounded by desert!