Respuesta :

The Second Crusade was started in response to the fall of the County of Edessa in 1144 to the forces of Zengi.

Answer:

What was the cause of the Second Crusade?

Seljuks took control of the settlement of Edessa.

Explanation:

What was the cause of the Second Crusade?

Seljuks took control of the settlement of Edessa.