Walls round a city were generally erected as a defense of the citizens against attacks from those on the outside. Formal gates were erected a spart of this to station troops, and in later times, these buildings were used as prisons, etc.
Have a crack at "Fortifications of London" in your favourite on-line search engine, and you'll get good info. In even later times these convenient points were used as tollgates to collect taxes from the travellers.
They built walls to protect them selves from attack when they went to war over to gain control over the river water.
Ruins of this ancient city show that high brick walls surrounded the city in order to defend it against floods and hostile neighbors.
they build wall so they can protect it place or city-state
they did not
for protection also people dont invade.
They Built cities without walls
City States protected themselves by building up armies, and also they built walls around their cities for protection.
they had no walls
Instead of having walls around them, the Minoans depended on the sea and navy for protection.
The Nubian's built walls and ditches around The City of Kerma to protect the city from invasion.
Protection from invaders.
They Built cities without walls
Sumerian cities had walls around them for the primary purpose of protection.
City States protected themselves by building up armies, and also they built walls around their cities for protection.
The Romans, like everyone else in those days, built walls and fortifications around their towns.
Large walls were built around cities to protect the cities. It took 10,000 workers using 18 years to build that wall. The walls were 30 feet high, 65 feet thick, four and a half miles long. Skilled craft workers lived outside the walls to decorate the walls.
build walls around their cities?
Most Caribbean cities were built with walls because they were vulnerable to raids by rival European powers and pirates.
beacuse they built walls and they thought it was complet!
they had no walls
Modern weaponry renders walls useless.
They built strong thick walls around their cites for protection.