Correct option is B
Correct Option: (B) Egypt
The Nile River is famously referred to as the "backbone of Egypt" due to its crucial role in the country’s civilization, agriculture, and daily life.
Flowing through arid deserts, the Nile has historically been Egypt’s lifeline, supporting farming, transportation, and settlement.
Ancient Egyptians called it the “Gift of the Nile”, as it enabled the growth of one of the world’s oldest civilizations along its fertile banks.
The Nile flows northward and empties into the Mediterranean Sea, covering over 6,650 km—making it one of the longest rivers in the world.
Egypt's Nile Delta and valley host over 95% of its population.
The river has two major tributaries: the White Nile (originating from Lake Victoria) and the Blue Nile (from Lake Tana in Ethiopia).