Answer: Nile
Explanation: The Nile is one of the longest rivers in the world and is often considered the lifeblood of Egypt. It flows through eleven countries, including Egypt, Sudan, and Ethiopia, before finally reaching the Mediterranean Sea.
The Nile is of great importance to Egypt as it provides water for irrigation, transportation, and hydroelectric power. It has played a crucial role in the development of ancient Egyptian civilization, as its annual flooding deposited fertile soil along its banks, allowing for agriculture to thrive.
In addition to its practical uses, the Nile also has cultural and historical significance. It has been a subject of inspiration for countless poets, writers, and artists throughout history. The river has also been the setting for many historical events and legends, such as the construction of the pyramids and the story of Cleopatra.
Overall, the Nile is a significant and iconic river that has shaped the landscape, culture, and history of Egypt.