What caused the ancient Egyptian temples of Dakka, Maharraqa etc to be dismantled in the 1960s and rebuilt elsewhere?

Question

What caused the ancient Egyptian temples of Dakka, Maharraqa, Wadi es-Sebua, Amada, and Derr to be dismantled in the 1960s and rebuilt elsewhere?

AUnderground mining operations

BThe building of the Aswan Dam

CThey were bought and moved to the USA

DSand dunes were covering them

Select from the options above.

Correct Option: 2  

Explanation:
The building of the Aswan Dam
The rising waters of Lake Nasser, created by the Aswan Dam, would have put the temples under water.