<prompt> Translate the following text to SwahiliMassive fortresses and fortress-like churches testify to the passage of the Normans and then the German emperors in the Middle Ages.  <response>: Ngome kubwa na makanisa yanayofanana na ngome huonyesha kwamba Waromani na kisha maliki wa Ujerumani waliingia huko katika Enzi za Kati. 