Mesopotamia was the civilization that had greater natural defenses.
mesopotamia
which civilization
Old
Yes, Actually the have many mountains and rivers. It is mostly like a natural fence. Trees can also be included too.
Natural Disasters
because of its location and natural wealth
the
The Natural Defenses of Egypt are the cataracts, the delta, the eastern and western desert.
The teeth and claws.
It kept out invader's.
Resistance.
because it worked
Deserts and Mountains
which civilization
your skin and white cells that kill bacteria
Frederick William the Great Elector
yes
natural forces wind, gales storms and waves wear away natural defenses such as slopes and grounds