GENERAL KNOWLEDGE

Detailed explanation-1: -Being surrounded by deserts protected Egyptian civilization from outside invaders and allowed them to develop a unique culture.

Detailed explanation-2: -Beyond the fertile lands that lie on each side of the Nile River are immense deserts. To the west is the Sahara Desert, the largest desert in the world. East of the Nile is more desert and the Red Sea. These deserts provided a great natural barrier and protection against invaders.

Detailed explanation-3: -These two deserts provided China with a natural defense against outside forces. Invaders could not invade a region using camels; they needed horses, and travel with horses through the deserts was difficult. However, while the deserts provided a barrier against invasion, they also limited Chinese expansion.

Detailed explanation-4: -The northern region of Egypt is bounded by two deserts, the mountainous Eastern, or Arabian, Desert and the sandy Western, or Libyan, Desert. Nomadic tribes continue to roam these desert regions as they have done for centuries, stopping at oases to replenish their water supplies.