By walling their cities and establishing citadels for refuge. By fighting in front of their cities. By having navies. By forming defensive leagues with other cities. By training for warfare in their spare time. By hiring mercenaries.
The deserts protected the Egyptians from invaders,
the great wall
they are good at running and can give a good kicking as well.
They protected the Pharaoh and the palace. They also kept the slaves in order
All of the mountains, including Mt. Everest, helped protect the ancient Chinese people from invasion. There were very few ways to get into China and all of them were difficult.
how do animals protect themselves from their enemies by using there mouth parts
By throwing mud on their enemies
they raddle
????
they camouflage
TANGA
By using their tencles
Camoflauge
The makahiya protect themselves by flipping their leaves
by pretending they are dead
they fly away
By outrunnig there enimes