The ancient remains of the past in the UAE were excavated and preserved i

Explanation:

The Mleiha Archaeological Centre displays evidence of the oldest archaeological finds in the UAE, the prehistoric Faya-1 collection, which dates human occupation in the area to 130,000–120,000 BCE and has been linked to the movement of the first anthropologically modern humans from Africa to populate the world.

nothing certain is known about what happened, but it seems that the country declined gradually, perhaps due to bad government, or, more likely, due to a series of bad harvests, which resulted in widespread and recurrent famine.