What protected egypt from an invasion?

The Egyptians were protected from invaders due to their geographical features.

Explanation:

They had the Mediterranean Sea to the north along with the Nile Delta. This body of water blocks off land on the other side. Furthermore, the cataracts in the Nile to the south protected the Egyptians from lands below them.

the hebrew bible is the sacred text of judaism;

the koran is that of islam.

among eastern religions, the sacred scriptures of hinduis are the four vedas and the upanishads, among others.

a main characteristic in these books is that un most of them we find certain "norms" of behavior, as is the case of the bible that has it's commandments. these rules are to regulate the behavior of believers and faithful of their respective faith.

these rules tell us what is right and what is not.