Answer:
Libyan, Nubian, Syrian, and Negev Deserts.
Explanation:
The early settlers in the desert region were Egypt, Kush, and Canaan.The early settlements formed civilizations with people of Egyptians, Kush, and Israelite. Egypt settles near the Nile River, helped them to get access to water for drinking, farming, fishing and other purposes. Israelite settled in Canaan, land near the Mediterranean sea. The topography of Egypt helped the early civilizations to flourish in the region by getting access to rivers, mountains, and fertile land.