Lack of O2, hunger, hypothermia... Everything can be a problem when in Everest
They were seeking greater economic opportunity, while some, such as the pilgrims in 1600s looking for freedom.
The Red Sea and the Suez Canal are of strategic value in the region because this is one of the most important transport points for oil in the entire world. Much of the oil that comes from the Persian Gulf travels through the Suez Canal on its way to Europe and the United States. Control and stability of this area is of vital importance to the United States and European governments and markets.