How did Egypt's natural borders protect the country from invaders? The desert was difficult for invaders to cross. The Nile Delta made it difficult for invaders to attack from the coast. The desert completely isolated Egypt from other populations. The Nile River's flooding pattern confounded invaders.

The Nile Delta made it difficult for invaders to attack from the coast and this way Egypt's natural borders protected the country from invaders. The correct option among all the options that are given in the question is the second option. The red desert that were on the right and left side of Egypt also protected the country from invasion by invaders.