Agricultural growth is vital in an economy. An economy runs off people producing things. Water is vital for land in order to grow things. Farming is harder in deserts. No food, no people. There is a reason there are more cities near rivers and coasts than in deserts. Due to scarcity of water, economic growth is more challenging. Exceptional cases such as Las Vegas have a steady water supply from the Hoover Dam.
One solar eclipse and one lunar eclipse each month
Explanation:
Solar eclipse are due to the moon in front of the sun before the earth, while lunar eclipse while lunar results when earth cast it shadow on a full moon.