Why was a river a gift to a desert land?

A river serves as a vital source of water in a desert land, providing necessary hydration for both plants and animals, which are essential for sustaining life in such arid environments. It creates a fertile corridor where agriculture can thrive, allowing for the cultivation of crops and supporting human settlements. Additionally, rivers can help to shape the landscape by creating oases and contributing to the overall ecosystem, making them invaluable resources in desert regions.